490132220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 1047271680

約数和(自身を除く): 557139460

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 389, 730, 778, 863, 1460, 1556, 1726, 1945, 3452, 3890, 4315, 7780, 8630, 17260, 28397, 56794, 62999, 113588, 125998, 141985, 251996, 283970, 314995, 335707, 567940, 629990, 671414, 1259980, 1342828, 1678535, 3357070, 6714140, 24506611, 49013222, 98026444, 122533055, 245066110, 490132220]

約数ペア:

[(1, 490132220), (2, 245066110), (4, 122533055), (5, 98026444), (10, 49013222), (20, 24506611), (73, 6714140), (146, 3357070), (292, 1678535), (365, 1342828), (389, 1259980), (730, 671414), (778, 629990), (863, 567940), (1460, 335707), (1556, 314995), (1726, 283970), (1945, 251996), (3452, 141985), (3890, 125998), (4315, 113588), (7780, 62999), (8630, 56794), (17260, 28397)]