1686460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3792096

約数和(自身を除く): 2105636

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 53, 74, 86, 106, 148, 172, 185, 212, 215, 265, 370, 430, 530, 740, 860, 1060, 1591, 1961, 2279, 3182, 3922, 4558, 6364, 7844, 7955, 9116, 9805, 11395, 15910, 19610, 22790, 31820, 39220, 45580, 84323, 168646, 337292, 421615, 843230, 1686460]

約数ペア:

[(1, 1686460), (2, 843230), (4, 421615), (5, 337292), (10, 168646), (20, 84323), (37, 45580), (43, 39220), (53, 31820), (74, 22790), (86, 19610), (106, 15910), (148, 11395), (172, 9805), (185, 9116), (212, 7955), (215, 7844), (265, 6364), (370, 4558), (430, 3922), (530, 3182), (740, 2279), (860, 1961), (1060, 1591)]