31349240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 80650080

約数和(自身を除く): 49300840

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 167, 190, 247, 260, 334, 361, 380, 494, 520, 668, 722, 760, 835, 988, 1235, 1336, 1444, 1670, 1805, 1976, 2171, 2470, 2888, 3173, 3340, 3610, 4342, 4693, 4940, 6346, 6680, 7220, 8684, 9386, 9880, 10855, 12692, 14440, 15865, 17368, 18772, 21710, 23465, 25384, 31730, 37544, 41249, 43420, 46930, 60287, 63460, 82498, 86840, 93860, 120574, 126920, 164996, 187720, 206245, 241148, 301435, 329992, 412490, 482296, 602870, 783731, 824980, 1205740, 1567462, 1649960, 2411480, 3134924, 3918655, 6269848, 7837310, 15674620, 31349240]

約数ペア:

[(1, 31349240), (2, 15674620), (4, 7837310), (5, 6269848), (8, 3918655), (10, 3134924), (13, 2411480), (19, 1649960), (20, 1567462), (26, 1205740), (38, 824980), (40, 783731), (52, 602870), (65, 482296), (76, 412490), (95, 329992), (104, 301435), (130, 241148), (152, 206245), (167, 187720), (190, 164996), (247, 126920), (260, 120574), (334, 93860), (361, 86840), (380, 82498), (494, 63460), (520, 60287), (668, 46930), (722, 43420), (760, 41249), (835, 37544), (988, 31730), (1235, 25384), (1336, 23465), (1444, 21710), (1670, 18772), (1805, 17368), (1976, 15865), (2171, 14440), (2470, 12692), (2888, 10855), (3173, 9880), (3340, 9386), (3610, 8684), (4342, 7220), (4693, 6680), (4940, 6346)]