21478879500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{64793}}^1$

素因数の和:64845

約数の個数: 192

約数和(自身を含む): 71321088384

約数和(自身を除く): 49842208884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 125, 130, 150, 156, 170, 195, 204, 221, 250, 255, 260, 300, 325, 340, 375, 390, 425, 442, 500, 510, 650, 663, 750, 780, 850, 884, 975, 1020, 1105, 1275, 1300, 1326, 1500, 1625, 1700, 1950, 2125, 2210, 2550, 2652, 3250, 3315, 3900, 4250, 4420, 4875, 5100, 5525, 6375, 6500, 6630, 8500, 9750, 11050, 12750, 13260, 16575, 19500, 22100, 25500, 27625, 33150, 55250, 64793, 66300, 82875, 110500, 129586, 165750, 194379, 259172, 323965, 331500, 388758, 647930, 777516, 842309, 971895, 1101481, 1295860, 1619825, 1684618, 1943790, 2202962, 2526927, 3239650, 3304443, 3369236, 3887580, 4211545, 4405924, 4859475, 5053854, 5507405, 6479300, 6608886, 8099125, 8423090, 9718950, 10107708, 11014810, 12634635, 13217772, 14319253, 16198250, 16522215, 16846180, 19437900, 21057725, 22029620, 24297375, 25269270, 27537025, 28638506, 32396500, 33044430, 42115450, 42957759, 48594750, 50538540, 55074050, 57277012, 63173175, 66088860, 71596265, 82611075, 84230900, 85915518, 97189500, 105288625, 110148100, 126346350, 137685125, 143192530, 165222150, 171831036, 210577250, 214788795, 252692700, 275370250, 286385060, 315865875, 330444300, 357981325, 413055375, 421154500, 429577590, 550740500, 631731750, 715962650, 826110750, 859155180, 1073943975, 1263463500, 1431925300, 1652221500, 1789906625, 2147887950, 3579813250, 4295775900, 5369719875, 7159626500, 10739439750, 21478879500]

約数ペア:

[(1, 21478879500), (2, 10739439750), (3, 7159626500), (4, 5369719875), (5, 4295775900), (6, 3579813250), (10, 2147887950), (12, 1789906625), (13, 1652221500), (15, 1431925300), (17, 1263463500), (20, 1073943975), (25, 859155180), (26, 826110750), (30, 715962650), (34, 631731750), (39, 550740500), (50, 429577590), (51, 421154500), (52, 413055375), (60, 357981325), (65, 330444300), (68, 315865875), (75, 286385060), (78, 275370250), (85, 252692700), (100, 214788795), (102, 210577250), (125, 171831036), (130, 165222150), (150, 143192530), (156, 137685125), (170, 126346350), (195, 110148100), (204, 105288625), (221, 97189500), (250, 85915518), (255, 84230900), (260, 82611075), (300, 71596265), (325, 66088860), (340, 63173175), (375, 57277012), (390, 55074050), (425, 50538540), (442, 48594750), (500, 42957759), (510, 42115450), (650, 33044430), (663, 32396500), (750, 28638506), (780, 27537025), (850, 25269270), (884, 24297375), (975, 22029620), (1020, 21057725), (1105, 19437900), (1275, 16846180), (1300, 16522215), (1326, 16198250), (1500, 14319253), (1625, 13217772), (1700, 12634635), (1950, 11014810), (2125, 10107708), (2210, 9718950), (2550, 8423090), (2652, 8099125), (3250, 6608886), (3315, 6479300), (3900, 5507405), (4250, 5053854), (4420, 4859475), (4875, 4405924), (5100, 4211545), (5525, 3887580), (6375, 3369236), (6500, 3304443), (6630, 3239650), (8500, 2526927), (9750, 2202962), (11050, 1943790), (12750, 1684618), (13260, 1619825), (16575, 1295860), (19500, 1101481), (22100, 971895), (25500, 842309), (27625, 777516), (33150, 647930), (55250, 388758), (64793, 331500), (66300, 323965), (82875, 259172), (110500, 194379), (129586, 165750)]