123291220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{474197}}^1$

素因数の和:474219

約数の個数: 24

約数和(自身を含む): 278828424

約数和(自身を除く): 155537204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 474197, 948394, 1896788, 2370985, 4741970, 6164561, 9483940, 12329122, 24658244, 30822805, 61645610, 123291220]

約数ペア:

[(1, 123291220), (2, 61645610), (4, 30822805), (5, 24658244), (10, 12329122), (13, 9483940), (20, 6164561), (26, 4741970), (52, 2370985), (65, 1896788), (130, 948394), (260, 474197)]