388139220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:595

約数の個数: 288

約数和(自身を含む): 1464852480

約数和(自身を除く): 1076713260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 31, 35, 36, 38, 42, 45, 57, 60, 62, 63, 70, 76, 84, 90, 93, 95, 105, 114, 124, 126, 133, 140, 155, 171, 180, 186, 190, 210, 217, 228, 252, 266, 279, 285, 310, 315, 342, 372, 380, 399, 420, 434, 465, 523, 532, 558, 570, 589, 620, 630, 651, 665, 684, 798, 855, 868, 930, 1046, 1085, 1116, 1140, 1178, 1197, 1260, 1302, 1330, 1395, 1569, 1596, 1710, 1767, 1860, 1953, 1995, 2092, 2170, 2356, 2394, 2604, 2615, 2660, 2790, 2945, 3138, 3255, 3420, 3534, 3661, 3906, 3990, 4123, 4340, 4707, 4788, 5230, 5301, 5580, 5890, 5985, 6276, 6510, 7068, 7322, 7812, 7845, 7980, 8246, 8835, 9414, 9765, 9937, 10460, 10602, 10983, 11780, 11970, 12369, 13020, 14644, 15690, 16213, 16492, 17670, 18305, 18828, 19530, 19874, 20615, 21204, 21966, 23535, 23940, 24738, 26505, 29811, 31380, 32426, 32949, 35340, 36610, 37107, 39060, 39748, 41230, 43932, 47070, 48639, 49476, 49685, 53010, 54915, 59622, 61845, 64852, 65898, 69559, 73220, 74214, 81065, 82460, 89433, 94140, 97278, 99370, 106020, 109830, 113491, 119244, 123690, 131796, 139118, 145917, 148428, 149055, 162130, 164745, 178866, 185535, 194556, 198740, 208677, 219660, 226982, 243195, 247380, 278236, 291834, 298110, 308047, 324260, 329490, 340473, 347795, 357732, 371070, 417354, 447165, 453964, 486390, 567455, 583668, 596220, 616094, 626031, 658980, 680946, 695590, 729585, 742140, 834708, 894330, 924141, 972780, 1021419, 1043385, 1134910, 1232188, 1252062, 1361892, 1391180, 1459170, 1540235, 1702365, 1788660, 1848282, 2042838, 2086770, 2156329, 2269820, 2504124, 2772423, 2918340, 3080470, 3130155, 3404730, 3696564, 4085676, 4173540, 4312658, 4620705, 5107095, 5544846, 6160940, 6260310, 6468987, 6809460, 8625316, 9241410, 10214190, 10781645, 11089692, 12520620, 12937974, 13862115, 18482820, 19406961, 20428380, 21563290, 25875948, 27724230, 32344935, 38813922, 43126580, 55448460, 64689870, 77627844, 97034805, 129379740, 194069610, 388139220]

約数ペア:

[(1, 388139220), (2, 194069610), (3, 129379740), (4, 97034805), (5, 77627844), (6, 64689870), (7, 55448460), (9, 43126580), (10, 38813922), (12, 32344935), (14, 27724230), (15, 25875948), (18, 21563290), (19, 20428380), (20, 19406961), (21, 18482820), (28, 13862115), (30, 12937974), (31, 12520620), (35, 11089692), (36, 10781645), (38, 10214190), (42, 9241410), (45, 8625316), (57, 6809460), (60, 6468987), (62, 6260310), (63, 6160940), (70, 5544846), (76, 5107095), (84, 4620705), (90, 4312658), (93, 4173540), (95, 4085676), (105, 3696564), (114, 3404730), (124, 3130155), (126, 3080470), (133, 2918340), (140, 2772423), (155, 2504124), (171, 2269820), (180, 2156329), (186, 2086770), (190, 2042838), (210, 1848282), (217, 1788660), (228, 1702365), (252, 1540235), (266, 1459170), (279, 1391180), (285, 1361892), (310, 1252062), (315, 1232188), (342, 1134910), (372, 1043385), (380, 1021419), (399, 972780), (420, 924141), (434, 894330), (465, 834708), (523, 742140), (532, 729585), (558, 695590), (570, 680946), (589, 658980), (620, 626031), (630, 616094), (651, 596220), (665, 583668), (684, 567455), (798, 486390), (855, 453964), (868, 447165), (930, 417354), (1046, 371070), (1085, 357732), (1116, 347795), (1140, 340473), (1178, 329490), (1197, 324260), (1260, 308047), (1302, 298110), (1330, 291834), (1395, 278236), (1569, 247380), (1596, 243195), (1710, 226982), (1767, 219660), (1860, 208677), (1953, 198740), (1995, 194556), (2092, 185535), (2170, 178866), (2356, 164745), (2394, 162130), (2604, 149055), (2615, 148428), (2660, 145917), (2790, 139118), (2945, 131796), (3138, 123690), (3255, 119244), (3420, 113491), (3534, 109830), (3661, 106020), (3906, 99370), (3990, 97278), (4123, 94140), (4340, 89433), (4707, 82460), (4788, 81065), (5230, 74214), (5301, 73220), (5580, 69559), (5890, 65898), (5985, 64852), (6276, 61845), (6510, 59622), (7068, 54915), (7322, 53010), (7812, 49685), (7845, 49476), (7980, 48639), (8246, 47070), (8835, 43932), (9414, 41230), (9765, 39748), (9937, 39060), (10460, 37107), (10602, 36610), (10983, 35340), (11780, 32949), (11970, 32426), (12369, 31380), (13020, 29811), (14644, 26505), (15690, 24738), (16213, 23940), (16492, 23535), (17670, 21966), (18305, 21204), (18828, 20615), (19530, 19874)]