30421660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 37315940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 359, 380, 446, 718, 892, 1115, 1436, 1795, 2230, 3590, 4237, 4460, 6821, 7180, 8474, 13642, 16948, 21185, 27284, 34105, 42370, 68210, 80057, 84740, 136420, 160114, 320228, 400285, 800570, 1521083, 1601140, 3042166, 6084332, 7605415, 15210830, 30421660]

約数ペア:

[(1, 30421660), (2, 15210830), (4, 7605415), (5, 6084332), (10, 3042166), (19, 1601140), (20, 1521083), (38, 800570), (76, 400285), (95, 320228), (190, 160114), (223, 136420), (359, 84740), (380, 80057), (446, 68210), (718, 42370), (892, 34105), (1115, 27284), (1436, 21185), (1795, 16948), (2230, 13642), (3590, 8474), (4237, 7180), (4460, 6821)]