673289980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{278219}}^1$

素因数の和:278250

約数の個数: 36

約数和(自身を含む): 1554136920

約数和(自身を除く): 880846940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 278219, 556438, 1112876, 1391095, 2782190, 3060409, 5564380, 6120818, 12241636, 15302045, 30604090, 33664499, 61208180, 67328998, 134657996, 168322495, 336644990, 673289980]

約数ペア:

[(1, 673289980), (2, 336644990), (4, 168322495), (5, 134657996), (10, 67328998), (11, 61208180), (20, 33664499), (22, 30604090), (44, 15302045), (55, 12241636), (110, 6120818), (121, 5564380), (220, 3060409), (242, 2782190), (484, 1391095), (605, 1112876), (1210, 556438), (2420, 278219)]