128851660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7247}}^1$

素因数の和:7390

約数の個数: 48

約数和(自身を含む): 311721984

約数和(自身を除く): 182870324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 7247, 8890, 14494, 17780, 28988, 36235, 50729, 72470, 101458, 144940, 202916, 253645, 507290, 920369, 1014580, 1840738, 3681476, 4601845, 6442583, 9203690, 12885166, 18407380, 25770332, 32212915, 64425830, 128851660]

約数ペア:

[(1, 128851660), (2, 64425830), (4, 32212915), (5, 25770332), (7, 18407380), (10, 12885166), (14, 9203690), (20, 6442583), (28, 4601845), (35, 3681476), (70, 1840738), (127, 1014580), (140, 920369), (254, 507290), (508, 253645), (635, 202916), (889, 144940), (1270, 101458), (1778, 72470), (2540, 50729), (3556, 36235), (4445, 28988), (7247, 17780), (8890, 14494)]