30832780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 71033760

約数和(自身を除く): 40200980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 521, 538, 1042, 1076, 1345, 2084, 2605, 2690, 2959, 5210, 5380, 5731, 5918, 10420, 11462, 11836, 14795, 22924, 28655, 29590, 57310, 59180, 114620, 140149, 280298, 560596, 700745, 1401490, 1541639, 2802980, 3083278, 6166556, 7708195, 15416390, 30832780]

約数ペア:

[(1, 30832780), (2, 15416390), (4, 7708195), (5, 6166556), (10, 3083278), (11, 2802980), (20, 1541639), (22, 1401490), (44, 700745), (55, 560596), (110, 280298), (220, 140149), (269, 114620), (521, 59180), (538, 57310), (1042, 29590), (1076, 28655), (1345, 22924), (2084, 14795), (2605, 11836), (2690, 11462), (2959, 10420), (5210, 5918), (5380, 5731)]