131195750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 285517440

約数和(自身を除く): 154321690

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 125, 175, 250, 305, 350, 427, 610, 854, 875, 1229, 1525, 1750, 2135, 2458, 3050, 4270, 6145, 7625, 8603, 10675, 12290, 15250, 17206, 21350, 30725, 43015, 53375, 61450, 74969, 86030, 106750, 149938, 153625, 215075, 307250, 374845, 430150, 524783, 749690, 1049566, 1075375, 1874225, 2150750, 2623915, 3748450, 5247830, 9371125, 13119575, 18742250, 26239150, 65597875, 131195750]

約数ペア:

[(1, 131195750), (2, 65597875), (5, 26239150), (7, 18742250), (10, 13119575), (14, 9371125), (25, 5247830), (35, 3748450), (50, 2623915), (61, 2150750), (70, 1874225), (122, 1075375), (125, 1049566), (175, 749690), (250, 524783), (305, 430150), (350, 374845), (427, 307250), (610, 215075), (854, 153625), (875, 149938), (1229, 106750), (1525, 86030), (1750, 74969), (2135, 61450), (2458, 53375), (3050, 43015), (4270, 30725), (6145, 21350), (7625, 17206), (8603, 15250), (10675, 12290)]