209960520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:796

約数の個数: 256

約数和(自身を含む): 811745280

約数和(自身を除く): 601784760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 210, 217, 220, 231, 248, 264, 280, 308, 310, 330, 341, 372, 385, 420, 434, 440, 462, 465, 616, 620, 651, 660, 682, 733, 744, 770, 840, 868, 924, 930, 1023, 1085, 1155, 1240, 1302, 1320, 1364, 1466, 1540, 1705, 1736, 1848, 1860, 2046, 2170, 2199, 2310, 2387, 2604, 2728, 2932, 3080, 3255, 3410, 3665, 3720, 4092, 4340, 4398, 4620, 4774, 5115, 5131, 5208, 5864, 6510, 6820, 7161, 7330, 8063, 8184, 8680, 8796, 9240, 9548, 10230, 10262, 10995, 11935, 13020, 13640, 14322, 14660, 15393, 16126, 17592, 19096, 20460, 20524, 21990, 22723, 23870, 24189, 25655, 26040, 28644, 29320, 30786, 32252, 35805, 40315, 40920, 41048, 43980, 45446, 47740, 48378, 51310, 56441, 57288, 61572, 64504, 68169, 71610, 76965, 80630, 87960, 90892, 95480, 96756, 102620, 112882, 113615, 120945, 123144, 136338, 143220, 153930, 159061, 161260, 169323, 181784, 193512, 205240, 225764, 227230, 241890, 249953, 272676, 282205, 286440, 307860, 318122, 322520, 338646, 340845, 451528, 454460, 477183, 483780, 499906, 545352, 564410, 615720, 636244, 677292, 681690, 749859, 795305, 846615, 908920, 954366, 967560, 999812, 1128820, 1249765, 1272488, 1354584, 1363380, 1499718, 1590610, 1693230, 1749671, 1908732, 1999624, 2257640, 2385915, 2499530, 2726760, 2999436, 3181220, 3386460, 3499342, 3749295, 3817464, 4771830, 4999060, 5249013, 5998872, 6362440, 6772920, 6998684, 7498590, 8748355, 9543660, 9998120, 10498026, 13997368, 14997180, 17496710, 19087320, 20996052, 26245065, 29994360, 34993420, 41992104, 52490130, 69986840, 104980260, 209960520]

約数ペア:

[(1, 209960520), (2, 104980260), (3, 69986840), (4, 52490130), (5, 41992104), (6, 34993420), (7, 29994360), (8, 26245065), (10, 20996052), (11, 19087320), (12, 17496710), (14, 14997180), (15, 13997368), (20, 10498026), (21, 9998120), (22, 9543660), (24, 8748355), (28, 7498590), (30, 6998684), (31, 6772920), (33, 6362440), (35, 5998872), (40, 5249013), (42, 4999060), (44, 4771830), (55, 3817464), (56, 3749295), (60, 3499342), (62, 3386460), (66, 3181220), (70, 2999436), (77, 2726760), (84, 2499530), (88, 2385915), (93, 2257640), (105, 1999624), (110, 1908732), (120, 1749671), (124, 1693230), (132, 1590610), (140, 1499718), (154, 1363380), (155, 1354584), (165, 1272488), (168, 1249765), (186, 1128820), (210, 999812), (217, 967560), (220, 954366), (231, 908920), (248, 846615), (264, 795305), (280, 749859), (308, 681690), (310, 677292), (330, 636244), (341, 615720), (372, 564410), (385, 545352), (420, 499906), (434, 483780), (440, 477183), (462, 454460), (465, 451528), (616, 340845), (620, 338646), (651, 322520), (660, 318122), (682, 307860), (733, 286440), (744, 282205), (770, 272676), (840, 249953), (868, 241890), (924, 227230), (930, 225764), (1023, 205240), (1085, 193512), (1155, 181784), (1240, 169323), (1302, 161260), (1320, 159061), (1364, 153930), (1466, 143220), (1540, 136338), (1705, 123144), (1736, 120945), (1848, 113615), (1860, 112882), (2046, 102620), (2170, 96756), (2199, 95480), (2310, 90892), (2387, 87960), (2604, 80630), (2728, 76965), (2932, 71610), (3080, 68169), (3255, 64504), (3410, 61572), (3665, 57288), (3720, 56441), (4092, 51310), (4340, 48378), (4398, 47740), (4620, 45446), (4774, 43980), (5115, 41048), (5131, 40920), (5208, 40315), (5864, 35805), (6510, 32252), (6820, 30786), (7161, 29320), (7330, 28644), (8063, 26040), (8184, 25655), (8680, 24189), (8796, 23870), (9240, 22723), (9548, 21990), (10230, 20524), (10262, 20460), (10995, 19096), (11935, 17592), (13020, 16126), (13640, 15393), (14322, 14660)]