157215380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{38723}}^1$

素因数の和:38768

約数の個数: 48

約数和(自身を含む): 390337920

約数和(自身を除く): 233122540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 38723, 77446, 154892, 193615, 271061, 387230, 542122, 774460, 1084244, 1122967, 1355305, 2245934, 2710610, 4491868, 5421220, 5614835, 7860769, 11229670, 15721538, 22459340, 31443076, 39303845, 78607690, 157215380]

約数ペア:

[(1, 157215380), (2, 78607690), (4, 39303845), (5, 31443076), (7, 22459340), (10, 15721538), (14, 11229670), (20, 7860769), (28, 5614835), (29, 5421220), (35, 4491868), (58, 2710610), (70, 2245934), (116, 1355305), (140, 1122967), (145, 1084244), (203, 774460), (290, 542122), (406, 387230), (580, 271061), (812, 193615), (1015, 154892), (2030, 77446), (4060, 38723)]