1520862790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{258211}}^1$

素因数の和:258268

約数の個数: 32

約数和(自身を含む): 2974602240

約数和(自身を除く): 1453739450

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 258211, 516422, 1291055, 2582110, 4906009, 8004541, 9812018, 16009082, 24530045, 40022705, 49060090, 80045410, 152086279, 304172558, 760431395, 1520862790]

約数ペア:

[(1, 1520862790), (2, 760431395), (5, 304172558), (10, 152086279), (19, 80045410), (31, 49060090), (38, 40022705), (62, 24530045), (95, 16009082), (155, 9812018), (190, 8004541), (310, 4906009), (589, 2582110), (1178, 1291055), (2945, 516422), (5890, 258211)]