245490050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1289}}^1$

素因数の和:1607

約数の個数: 48

約数和(自身を含む): 493796520

約数和(自身を除く): 248306470

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 293, 325, 586, 650, 1289, 1465, 2578, 2930, 3809, 6445, 7325, 7618, 12890, 14650, 16757, 19045, 32225, 33514, 38090, 64450, 83785, 95225, 167570, 190450, 377677, 418925, 755354, 837850, 1888385, 3776770, 4909801, 9441925, 9819602, 18883850, 24549005, 49098010, 122745025, 245490050]

約数ペア:

[(1, 245490050), (2, 122745025), (5, 49098010), (10, 24549005), (13, 18883850), (25, 9819602), (26, 9441925), (50, 4909801), (65, 3776770), (130, 1888385), (293, 837850), (325, 755354), (586, 418925), (650, 377677), (1289, 190450), (1465, 167570), (2578, 95225), (2930, 83785), (3809, 64450), (6445, 38090), (7325, 33514), (7618, 32225), (12890, 19045), (14650, 16757)]