906440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 2280960

約数和(自身を除く): 1374520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 43, 62, 68, 85, 86, 124, 136, 155, 170, 172, 215, 248, 310, 340, 344, 430, 527, 620, 680, 731, 860, 1054, 1240, 1333, 1462, 1720, 2108, 2635, 2666, 2924, 3655, 4216, 5270, 5332, 5848, 6665, 7310, 10540, 10664, 13330, 14620, 21080, 22661, 26660, 29240, 45322, 53320, 90644, 113305, 181288, 226610, 453220, 906440]

約数ペア:

[(1, 906440), (2, 453220), (4, 226610), (5, 181288), (8, 113305), (10, 90644), (17, 53320), (20, 45322), (31, 29240), (34, 26660), (40, 22661), (43, 21080), (62, 14620), (68, 13330), (85, 10664), (86, 10540), (124, 7310), (136, 6665), (155, 5848), (170, 5332), (172, 5270), (215, 4216), (248, 3655), (310, 2924), (340, 2666), (344, 2635), (430, 2108), (527, 1720), (620, 1462), (680, 1333), (731, 1240), (860, 1054)]