253670380

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{77813}}^1$

素因数の和:77985

約数の個数: 24

約数和(自身を含む): 535982832

約数和(自身を除く): 282312452

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 77813, 155626, 311252, 389065, 778130, 1556260, 12683519, 25367038, 50734076, 63417595, 126835190, 253670380]

約数ペア:

[(1, 253670380), (2, 126835190), (4, 63417595), (5, 50734076), (10, 25367038), (20, 12683519), (163, 1556260), (326, 778130), (652, 389065), (815, 311252), (1630, 155626), (3260, 77813)]