634040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 1580040

約数和(自身を除く): 946000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 131, 220, 242, 262, 440, 484, 524, 605, 655, 968, 1048, 1210, 1310, 1441, 2420, 2620, 2882, 4840, 5240, 5764, 7205, 11528, 14410, 15851, 28820, 31702, 57640, 63404, 79255, 126808, 158510, 317020, 634040]

約数ペア:

[(1, 634040), (2, 317020), (4, 158510), (5, 126808), (8, 79255), (10, 63404), (11, 57640), (20, 31702), (22, 28820), (40, 15851), (44, 14410), (55, 11528), (88, 7205), (110, 5764), (121, 5240), (131, 4840), (220, 2882), (242, 2620), (262, 2420), (440, 1441), (484, 1310), (524, 1210), (605, 1048), (655, 968)]