31185380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 68221440

約数和(自身を除く): 37036060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 281, 310, 358, 562, 620, 716, 895, 1124, 1405, 1790, 2810, 3580, 5549, 5620, 8711, 11098, 17422, 22196, 27745, 34844, 43555, 50299, 55490, 87110, 100598, 110980, 174220, 201196, 251495, 502990, 1005980, 1559269, 3118538, 6237076, 7796345, 15592690, 31185380]

約数ペア:

[(1, 31185380), (2, 15592690), (4, 7796345), (5, 6237076), (10, 3118538), (20, 1559269), (31, 1005980), (62, 502990), (124, 251495), (155, 201196), (179, 174220), (281, 110980), (310, 100598), (358, 87110), (562, 55490), (620, 50299), (716, 43555), (895, 34844), (1124, 27745), (1405, 22196), (1790, 17422), (2810, 11098), (3580, 8711), (5549, 5620)]