290580670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{21799}}^1$

素因数の和:21880

約数の個数: 32

約数和(自身を含む): 552499200

約数和(自身を除く): 261918530

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 21799, 43598, 108995, 217990, 675769, 937357, 1351538, 1874714, 3378845, 4686785, 6757690, 9373570, 29058067, 58116134, 145290335, 290580670]

約数ペア:

[(1, 290580670), (2, 145290335), (5, 58116134), (10, 29058067), (31, 9373570), (43, 6757690), (62, 4686785), (86, 3378845), (155, 1874714), (215, 1351538), (310, 937357), (430, 675769), (1333, 217990), (2666, 108995), (6665, 43598), (13330, 21799)]