1541980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 3636864

約数和(自身を除く): 2094884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 163, 172, 215, 220, 326, 430, 473, 652, 815, 860, 946, 1630, 1793, 1892, 2365, 3260, 3586, 4730, 7009, 7172, 8965, 9460, 14018, 17930, 28036, 35045, 35860, 70090, 77099, 140180, 154198, 308396, 385495, 770990, 1541980]

約数ペア:

[(1, 1541980), (2, 770990), (4, 385495), (5, 308396), (10, 154198), (11, 140180), (20, 77099), (22, 70090), (43, 35860), (44, 35045), (55, 28036), (86, 17930), (110, 14018), (163, 9460), (172, 8965), (215, 7172), (220, 7009), (326, 4730), (430, 3586), (473, 3260), (652, 2365), (815, 1892), (860, 1793), (946, 1630)]