1520289980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{628219}}^1$

素因数の和:628250

約数の個数: 36

約数和(自身を含む): 3509236920

約数和(自身を除く): 1988946940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 628219, 1256438, 2512876, 3141095, 6282190, 6910409, 12564380, 13820818, 27641636, 34552045, 69104090, 76014499, 138208180, 152028998, 304057996, 380072495, 760144990, 1520289980]

約数ペア:

[(1, 1520289980), (2, 760144990), (4, 380072495), (5, 304057996), (10, 152028998), (11, 138208180), (20, 76014499), (22, 69104090), (44, 34552045), (55, 27641636), (110, 13820818), (121, 12564380), (220, 6910409), (242, 6282190), (484, 3141095), (605, 2512876), (1210, 1256438), (2420, 628219)]