248408940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318473}}^1$

素因数の和:318498

約数の個数: 48

約数和(自身を含む): 749050848

約数和(自身を除く): 500641908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 318473, 636946, 955419, 1273892, 1592365, 1910838, 3184730, 3821676, 4140149, 4777095, 6369460, 8280298, 9554190, 12420447, 16560596, 19108380, 20700745, 24840894, 41401490, 49681788, 62102235, 82802980, 124204470, 248408940]

約数ペア:

[(1, 248408940), (2, 124204470), (3, 82802980), (4, 62102235), (5, 49681788), (6, 41401490), (10, 24840894), (12, 20700745), (13, 19108380), (15, 16560596), (20, 12420447), (26, 9554190), (30, 8280298), (39, 6369460), (52, 4777095), (60, 4140149), (65, 3821676), (78, 3184730), (130, 1910838), (156, 1592365), (195, 1273892), (260, 955419), (390, 636946), (780, 318473)]