858408220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2258969}}^1$

素因数の和:2258997

約数の個数: 24

約数和(自身を含む): 1897534800

約数和(自身を除く): 1039126580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2258969, 4517938, 9035876, 11294845, 22589690, 42920411, 45179380, 85840822, 171681644, 214602055, 429204110, 858408220]

約数ペア:

[(1, 858408220), (2, 429204110), (4, 214602055), (5, 171681644), (10, 85840822), (19, 45179380), (20, 42920411), (38, 22589690), (76, 11294845), (95, 9035876), (190, 4517938), (380, 2258969)]