31365990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2339}}^1$

素因数の和:2501

約数の個数: 48

約数和(自身を含む): 82134000

約数和(自身を除く): 50768010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 2235, 2339, 2682, 4470, 4678, 6705, 7017, 11695, 13410, 14034, 21051, 23390, 35085, 42102, 70170, 105255, 210510, 348511, 697022, 1045533, 1742555, 2091066, 3136599, 3485110, 5227665, 6273198, 10455330, 15682995, 31365990]

約数ペア:

[(1, 31365990), (2, 15682995), (3, 10455330), (5, 6273198), (6, 5227665), (9, 3485110), (10, 3136599), (15, 2091066), (18, 1742555), (30, 1045533), (45, 697022), (90, 348511), (149, 210510), (298, 105255), (447, 70170), (745, 42102), (894, 35085), (1341, 23390), (1490, 21051), (2235, 14034), (2339, 13410), (2682, 11695), (4470, 7017), (4678, 6705)]