890453990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{74891}}^1$

素因数の和:74968

約数の個数: 32

約数和(自身を含む): 1698550560

約数和(自身を除く): 808096570

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 2378, 5945, 11890, 74891, 149782, 374455, 748910, 2171839, 3070531, 4343678, 6141062, 10859195, 15352655, 21718390, 30705310, 89045399, 178090798, 445226995, 890453990]

約数ペア:

[(1, 890453990), (2, 445226995), (5, 178090798), (10, 89045399), (29, 30705310), (41, 21718390), (58, 15352655), (82, 10859195), (145, 6141062), (205, 4343678), (290, 3070531), (410, 2171839), (1189, 748910), (2378, 374455), (5945, 149782), (11890, 74891)]