420701140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{823}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 901192320

約数和(自身を除く): 480491180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 419, 610, 823, 838, 1220, 1646, 1676, 2095, 3292, 4115, 4190, 8230, 8380, 16460, 25559, 50203, 51118, 100406, 102236, 127795, 200812, 251015, 255590, 344837, 502030, 511180, 689674, 1004060, 1379348, 1724185, 3448370, 6896740, 21035057, 42070114, 84140228, 105175285, 210350570, 420701140]

約数ペア:

[(1, 420701140), (2, 210350570), (4, 105175285), (5, 84140228), (10, 42070114), (20, 21035057), (61, 6896740), (122, 3448370), (244, 1724185), (305, 1379348), (419, 1004060), (610, 689674), (823, 511180), (838, 502030), (1220, 344837), (1646, 255590), (1676, 251015), (2095, 200812), (3292, 127795), (4115, 102236), (4190, 100406), (8230, 51118), (8380, 50203), (16460, 25559)]