1570794020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1\times {\mathrm{1093}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 3328289328

約数和(自身を除く): 1757495308

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 397, 724, 794, 905, 1093, 1588, 1810, 1985, 2186, 3620, 3970, 4372, 5465, 7940, 10930, 21860, 71857, 143714, 197833, 287428, 359285, 395666, 433921, 718570, 791332, 867842, 989165, 1437140, 1735684, 1978330, 2169605, 3956660, 4339210, 8678420, 78539701, 157079402, 314158804, 392698505, 785397010, 1570794020]

約数ペア:

[(1, 1570794020), (2, 785397010), (4, 392698505), (5, 314158804), (10, 157079402), (20, 78539701), (181, 8678420), (362, 4339210), (397, 3956660), (724, 2169605), (794, 1978330), (905, 1735684), (1093, 1437140), (1588, 989165), (1810, 867842), (1985, 791332), (2186, 718570), (3620, 433921), (3970, 395666), (4372, 359285), (5465, 287428), (7940, 197833), (10930, 143714), (21860, 71857)]