290464370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{25457}}^1$

素因数の和:25634

約数の個数: 32

約数和(自身を含む): 601216128

約数和(自身を除く): 310751758

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 5705, 11410, 25457, 50914, 127285, 178199, 254570, 356398, 890995, 1781990, 4149491, 8298982, 20747455, 29046437, 41494910, 58092874, 145232185, 290464370]

約数ペア:

[(1, 290464370), (2, 145232185), (5, 58092874), (7, 41494910), (10, 29046437), (14, 20747455), (35, 8298982), (70, 4149491), (163, 1781990), (326, 890995), (815, 356398), (1141, 254570), (1630, 178199), (2282, 127285), (5705, 50914), (11410, 25457)]