149784580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2531}}^1$

素因数の和:2820

約数の個数: 48

約数和(自身を含む): 344554560

約数和(自身を除く): 194769980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 538, 1076, 1345, 2531, 2690, 2959, 5062, 5380, 5918, 10124, 11836, 12655, 14795, 25310, 27841, 29590, 50620, 55682, 59180, 111364, 139205, 278410, 556820, 680839, 1361678, 2723356, 3404195, 6808390, 7489229, 13616780, 14978458, 29956916, 37446145, 74892290, 149784580]

約数ペア:

[(1, 149784580), (2, 74892290), (4, 37446145), (5, 29956916), (10, 14978458), (11, 13616780), (20, 7489229), (22, 6808390), (44, 3404195), (55, 2723356), (110, 1361678), (220, 680839), (269, 556820), (538, 278410), (1076, 139205), (1345, 111364), (2531, 59180), (2690, 55682), (2959, 50620), (5062, 29590), (5380, 27841), (5918, 25310), (10124, 14795), (11836, 12655)]