138106220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12487}}^1$

素因数の和:12582

約数の個数: 48

約数和(自身を含む): 335677440

約数和(自身を除く): 197571220

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, 12487, 24974, 49948, 62435, 87409, 124870, 174818, 249740, 349636, 437045, 874090, 986473, 1748180, 1972946, 3945892, 4932365, 6905311, 9864730, 13810622, 19729460, 27621244, 34526555, 69053110, 138106220]

約数ペア:

[(1, 138106220), (2, 69053110), (4, 34526555), (5, 27621244), (7, 19729460), (10, 13810622), (14, 9864730), (20, 6905311), (28, 4932365), (35, 3945892), (70, 1972946), (79, 1748180), (140, 986473), (158, 874090), (316, 437045), (395, 349636), (553, 249740), (790, 174818), (1106, 124870), (1580, 87409), (2212, 62435), (2765, 49948), (5530, 24974), (11060, 12487)]