128152220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11587}}^1$

素因数の和:11682

約数の個数: 48

約数和(自身を含む): 311485440

約数和(自身を除く): 183333220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 11587, 23174, 46348, 57935, 81109, 115870, 162218, 231740, 324436, 405545, 811090, 915373, 1622180, 1830746, 3661492, 4576865, 6407611, 9153730, 12815222, 18307460, 25630444, 32038055, 64076110, 128152220]

約数ペア:

[(1, 128152220), (2, 64076110), (4, 32038055), (5, 25630444), (7, 18307460), (10, 12815222), (14, 9153730), (20, 6407611), (28, 4576865), (35, 3661492), (70, 1830746), (79, 1622180), (140, 915373), (158, 811090), (316, 405545), (395, 324436), (553, 231740), (790, 162218), (1106, 115870), (1580, 81109), (2212, 57935), (2765, 46348), (5530, 23174), (11060, 11587)]