209127750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 570810240

約数和(自身を除く): 361682490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 89, 125, 130, 150, 178, 195, 241, 250, 267, 325, 375, 390, 445, 482, 534, 650, 723, 750, 890, 975, 1157, 1205, 1335, 1446, 1625, 1950, 2225, 2314, 2410, 2670, 3133, 3250, 3471, 3615, 4450, 4875, 5785, 6025, 6266, 6675, 6942, 7230, 9399, 9750, 11125, 11570, 12050, 13350, 15665, 17355, 18075, 18798, 21449, 22250, 28925, 30125, 31330, 33375, 34710, 36150, 42898, 46995, 57850, 60250, 64347, 66750, 78325, 86775, 90375, 93990, 107245, 128694, 144625, 156650, 173550, 180750, 214490, 234975, 278837, 289250, 321735, 391625, 433875, 469950, 536225, 557674, 643470, 783250, 836511, 867750, 1072450, 1174875, 1394185, 1608675, 1673022, 2349750, 2681125, 2788370, 3217350, 4182555, 5362250, 6970925, 8043375, 8365110, 13941850, 16086750, 20912775, 34854625, 41825550, 69709250, 104563875, 209127750]

約数ペア:

[(1, 209127750), (2, 104563875), (3, 69709250), (5, 41825550), (6, 34854625), (10, 20912775), (13, 16086750), (15, 13941850), (25, 8365110), (26, 8043375), (30, 6970925), (39, 5362250), (50, 4182555), (65, 3217350), (75, 2788370), (78, 2681125), (89, 2349750), (125, 1673022), (130, 1608675), (150, 1394185), (178, 1174875), (195, 1072450), (241, 867750), (250, 836511), (267, 783250), (325, 643470), (375, 557674), (390, 536225), (445, 469950), (482, 433875), (534, 391625), (650, 321735), (723, 289250), (750, 278837), (890, 234975), (975, 214490), (1157, 180750), (1205, 173550), (1335, 156650), (1446, 144625), (1625, 128694), (1950, 107245), (2225, 93990), (2314, 90375), (2410, 86775), (2670, 78325), (3133, 66750), (3250, 64347), (3471, 60250), (3615, 57850), (4450, 46995), (4875, 42898), (5785, 36150), (6025, 34710), (6266, 33375), (6675, 31330), (6942, 30125), (7230, 28925), (9399, 22250), (9750, 21449), (11125, 18798), (11570, 18075), (12050, 17355), (13350, 15665)]