31096540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 71048880

約数和(自身を除く): 39952340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 73, 76, 95, 118, 146, 190, 236, 292, 295, 361, 365, 380, 590, 722, 730, 1121, 1180, 1387, 1444, 1460, 1805, 2242, 2774, 3610, 4307, 4484, 5548, 5605, 6935, 7220, 8614, 11210, 13870, 17228, 21299, 21535, 22420, 26353, 27740, 42598, 43070, 52706, 81833, 85196, 86140, 105412, 106495, 131765, 163666, 212990, 263530, 327332, 409165, 425980, 527060, 818330, 1554827, 1636660, 3109654, 6219308, 7774135, 15548270, 31096540]

約数ペア:

[(1, 31096540), (2, 15548270), (4, 7774135), (5, 6219308), (10, 3109654), (19, 1636660), (20, 1554827), (38, 818330), (59, 527060), (73, 425980), (76, 409165), (95, 327332), (118, 263530), (146, 212990), (190, 163666), (236, 131765), (292, 106495), (295, 105412), (361, 86140), (365, 85196), (380, 81833), (590, 52706), (722, 43070), (730, 42598), (1121, 27740), (1180, 26353), (1387, 22420), (1444, 21535), (1460, 21299), (1805, 17228), (2242, 13870), (2774, 11210), (3610, 8614), (4307, 7220), (4484, 6935), (5548, 5605)]