7296178280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2990237}}^1$

素因数の和:2990309

約数の個数: 32

約数和(自身を含む): 16685528040

約数和(自身を除く): 9389349760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2990237, 5980474, 11960948, 14951185, 23921896, 29902370, 59804740, 119609480, 182404457, 364808914, 729617828, 912022285, 1459235656, 1824044570, 3648089140, 7296178280]

約数ペア:

[(1, 7296178280), (2, 3648089140), (4, 1824044570), (5, 1459235656), (8, 912022285), (10, 729617828), (20, 364808914), (40, 182404457), (61, 119609480), (122, 59804740), (244, 29902370), (305, 23921896), (488, 14951185), (610, 11960948), (1220, 5980474), (2440, 2990237)]