209115900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1793

約数の個数: 216

約数和(自身を含む): 788977280

約数和(自身を除く): 579861380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 252, 266, 285, 300, 315, 342, 350, 380, 399, 420, 450, 475, 525, 532, 570, 630, 665, 684, 700, 798, 855, 900, 950, 1050, 1140, 1197, 1260, 1330, 1425, 1575, 1596, 1710, 1747, 1900, 1995, 2100, 2394, 2660, 2850, 3150, 3325, 3420, 3494, 3990, 4275, 4788, 5241, 5700, 5985, 6300, 6650, 6988, 7980, 8550, 8735, 9975, 10482, 11970, 12229, 13300, 15723, 17100, 17470, 19950, 20964, 23940, 24458, 26205, 29925, 31446, 33193, 34940, 36687, 39900, 43675, 48916, 52410, 59850, 61145, 62892, 66386, 73374, 78615, 87350, 99579, 104820, 110061, 119700, 122290, 131025, 132772, 146748, 157230, 165965, 174700, 183435, 199158, 220122, 232351, 244580, 262050, 298737, 305725, 314460, 331930, 366870, 393075, 398316, 440244, 464702, 497895, 524100, 550305, 597474, 611450, 663860, 697053, 733740, 786150, 829825, 917175, 929404, 995790, 1100610, 1161755, 1194948, 1222900, 1394106, 1493685, 1572300, 1659650, 1834350, 1991580, 2091159, 2201220, 2323510, 2489475, 2751525, 2788212, 2987370, 3319300, 3485265, 3668700, 4182318, 4647020, 4978950, 5503050, 5808775, 5974740, 6970530, 7468425, 8364636, 9957900, 10455795, 11006100, 11617550, 13941060, 14936850, 17426325, 20911590, 23235100, 29873700, 34852650, 41823180, 52278975, 69705300, 104557950, 209115900]

約数ペア:

[(1, 209115900), (2, 104557950), (3, 69705300), (4, 52278975), (5, 41823180), (6, 34852650), (7, 29873700), (9, 23235100), (10, 20911590), (12, 17426325), (14, 14936850), (15, 13941060), (18, 11617550), (19, 11006100), (20, 10455795), (21, 9957900), (25, 8364636), (28, 7468425), (30, 6970530), (35, 5974740), (36, 5808775), (38, 5503050), (42, 4978950), (45, 4647020), (50, 4182318), (57, 3668700), (60, 3485265), (63, 3319300), (70, 2987370), (75, 2788212), (76, 2751525), (84, 2489475), (90, 2323510), (95, 2201220), (100, 2091159), (105, 1991580), (114, 1834350), (126, 1659650), (133, 1572300), (140, 1493685), (150, 1394106), (171, 1222900), (175, 1194948), (180, 1161755), (190, 1100610), (210, 995790), (225, 929404), (228, 917175), (252, 829825), (266, 786150), (285, 733740), (300, 697053), (315, 663860), (342, 611450), (350, 597474), (380, 550305), (399, 524100), (420, 497895), (450, 464702), (475, 440244), (525, 398316), (532, 393075), (570, 366870), (630, 331930), (665, 314460), (684, 305725), (700, 298737), (798, 262050), (855, 244580), (900, 232351), (950, 220122), (1050, 199158), (1140, 183435), (1197, 174700), (1260, 165965), (1330, 157230), (1425, 146748), (1575, 132772), (1596, 131025), (1710, 122290), (1747, 119700), (1900, 110061), (1995, 104820), (2100, 99579), (2394, 87350), (2660, 78615), (2850, 73374), (3150, 66386), (3325, 62892), (3420, 61145), (3494, 59850), (3990, 52410), (4275, 48916), (4788, 43675), (5241, 39900), (5700, 36687), (5985, 34940), (6300, 33193), (6650, 31446), (6988, 29925), (7980, 26205), (8550, 24458), (8735, 23940), (9975, 20964), (10482, 19950), (11970, 17470), (12229, 17100), (13300, 15723)]