157316380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{941}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 356709024

約数和(自身を除く): 199392644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 643, 941, 1286, 1882, 2572, 3215, 3764, 4705, 6430, 8359, 9410, 12233, 12860, 16718, 18820, 24466, 33436, 41795, 48932, 61165, 83590, 122330, 167180, 244660, 605063, 1210126, 2420252, 3025315, 6050630, 7865819, 12101260, 15731638, 31463276, 39329095, 78658190, 157316380]

約数ペア:

[(1, 157316380), (2, 78658190), (4, 39329095), (5, 31463276), (10, 15731638), (13, 12101260), (20, 7865819), (26, 6050630), (52, 3025315), (65, 2420252), (130, 1210126), (260, 605063), (643, 244660), (941, 167180), (1286, 122330), (1882, 83590), (2572, 61165), (3215, 48932), (3764, 41795), (4705, 33436), (6430, 24466), (8359, 18820), (9410, 16718), (12233, 12860)]