550940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 1260504

約数和(自身を除く): 709564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 169, 260, 326, 338, 652, 676, 815, 845, 1630, 1690, 2119, 3260, 3380, 4238, 8476, 10595, 21190, 27547, 42380, 55094, 110188, 137735, 275470, 550940]

約数ペア:

[(1, 550940), (2, 275470), (4, 137735), (5, 110188), (10, 55094), (13, 42380), (20, 27547), (26, 21190), (52, 10595), (65, 8476), (130, 4238), (163, 3380), (169, 3260), (260, 2119), (326, 1690), (338, 1630), (652, 845), (676, 815)]