821424230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{521}}^1\times {\mathrm{1303}}^1$

素因数の和:1853

約数の個数: 48

約数和(自身を含む): 1629567072

約数和(自身を除く): 808142842

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 521, 605, 1042, 1210, 1303, 2605, 2606, 5210, 5731, 6515, 11462, 13030, 14333, 28655, 28666, 57310, 63041, 71665, 126082, 143330, 157663, 315205, 315326, 630410, 678863, 788315, 1357726, 1576630, 3394315, 6788630, 7467493, 14934986, 37337465, 74674930, 82142423, 164284846, 410712115, 821424230]

約数ペア:

[(1, 821424230), (2, 410712115), (5, 164284846), (10, 82142423), (11, 74674930), (22, 37337465), (55, 14934986), (110, 7467493), (121, 6788630), (242, 3394315), (521, 1576630), (605, 1357726), (1042, 788315), (1210, 678863), (1303, 630410), (2605, 315326), (2606, 315205), (5210, 157663), (5731, 143330), (6515, 126082), (11462, 71665), (13030, 63041), (14333, 57310), (28655, 28666)]