487456450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1889}}^1$

素因数の和:2311

約数の個数: 48

約数和(自身を含む): 979390440

約数和(自身を除く): 491933990

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 397, 650, 794, 1889, 1985, 3778, 3970, 5161, 9445, 9925, 10322, 18890, 19850, 24557, 25805, 47225, 49114, 51610, 94450, 122785, 129025, 245570, 258050, 613925, 749933, 1227850, 1499866, 3749665, 7499330, 9749129, 18748325, 19498258, 37496650, 48745645, 97491290, 243728225, 487456450]

約数ペア:

[(1, 487456450), (2, 243728225), (5, 97491290), (10, 48745645), (13, 37496650), (25, 19498258), (26, 18748325), (50, 9749129), (65, 7499330), (130, 3749665), (325, 1499866), (397, 1227850), (650, 749933), (794, 613925), (1889, 258050), (1985, 245570), (3778, 129025), (3970, 122785), (5161, 94450), (9445, 51610), (9925, 49114), (10322, 47225), (18890, 25805), (19850, 24557)]