72721750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 146779776

約数和(自身を除く): 74058026

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 125, 142, 170, 241, 250, 355, 425, 482, 710, 850, 1205, 1207, 1775, 2125, 2410, 2414, 3550, 4097, 4250, 6025, 6035, 8194, 8875, 12050, 12070, 17111, 17750, 20485, 30125, 30175, 34222, 40970, 60250, 60350, 85555, 102425, 150875, 171110, 204850, 290887, 301750, 427775, 512125, 581774, 855550, 1024250, 1454435, 2138875, 2908870, 4277750, 7272175, 14544350, 36360875, 72721750]

約数ペア:

[(1, 72721750), (2, 36360875), (5, 14544350), (10, 7272175), (17, 4277750), (25, 2908870), (34, 2138875), (50, 1454435), (71, 1024250), (85, 855550), (125, 581774), (142, 512125), (170, 427775), (241, 301750), (250, 290887), (355, 204850), (425, 171110), (482, 150875), (710, 102425), (850, 85555), (1205, 60350), (1207, 60250), (1775, 40970), (2125, 34222), (2410, 30175), (2414, 30125), (3550, 20485), (4097, 17750), (4250, 17111), (6025, 12070), (6035, 12050), (8194, 8875)]