678493360

素因数分解:

$2^4\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{5813}}^1$

素因数の和:7285

約数の個数: 40

約数和(自身を含む): 1578849840

約数和(自身を除く): 900356480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1459, 2918, 5813, 5836, 7295, 11626, 11672, 14590, 23252, 23344, 29065, 29180, 46504, 58130, 58360, 93008, 116260, 116720, 232520, 465040, 8481167, 16962334, 33924668, 42405835, 67849336, 84811670, 135698672, 169623340, 339246680, 678493360]

約数ペア:

[(1, 678493360), (2, 339246680), (4, 169623340), (5, 135698672), (8, 84811670), (10, 67849336), (16, 42405835), (20, 33924668), (40, 16962334), (80, 8481167), (1459, 465040), (2918, 232520), (5813, 116720), (5836, 116260), (7295, 93008), (11626, 58360), (11672, 58130), (14590, 46504), (23252, 29180), (23344, 29065)]