778855180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1\times {\mathrm{1039}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 1683077760

約数和(自身を除く): 904222580

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1013, 1039, 2026, 2078, 4052, 4156, 5065, 5195, 10130, 10390, 20260, 20780, 37481, 38443, 74962, 76886, 149924, 153772, 187405, 192215, 374810, 384430, 749620, 768860, 1052507, 2105014, 4210028, 5262535, 10525070, 21050140, 38942759, 77885518, 155771036, 194713795, 389427590, 778855180]

約数ペア:

[(1, 778855180), (2, 389427590), (4, 194713795), (5, 155771036), (10, 77885518), (20, 38942759), (37, 21050140), (74, 10525070), (148, 5262535), (185, 4210028), (370, 2105014), (740, 1052507), (1013, 768860), (1039, 749620), (2026, 384430), (2078, 374810), (4052, 192215), (4156, 187405), (5065, 153772), (5195, 149924), (10130, 76886), (10390, 74962), (20260, 38443), (20780, 37481)]