290473460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{238093}}^1$

素因数の和:238163

約数の個数: 24

約数和(自身を含む): 619996776

約数和(自身を除く): 329523316

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 238093, 476186, 952372, 1190465, 2380930, 4761860, 14523673, 29047346, 58094692, 72618365, 145236730, 290473460]

約数ペア:

[(1, 290473460), (2, 145236730), (4, 72618365), (5, 58094692), (10, 29047346), (20, 14523673), (61, 4761860), (122, 2380930), (244, 1190465), (305, 952372), (610, 476186), (1220, 238093)]