204557340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262253}}^1$

素因数の和:262278

約数の個数: 48

約数和(自身を含む): 616821408

約数和(自身を除く): 412264068

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, 262253, 524506, 786759, 1049012, 1311265, 1573518, 2622530, 3147036, 3409289, 3933795, 5245060, 6818578, 7867590, 10227867, 13637156, 15735180, 17046445, 20455734, 34092890, 40911468, 51139335, 68185780, 102278670, 204557340]

約数ペア:

[(1, 204557340), (2, 102278670), (3, 68185780), (4, 51139335), (5, 40911468), (6, 34092890), (10, 20455734), (12, 17046445), (13, 15735180), (15, 13637156), (20, 10227867), (26, 7867590), (30, 6818578), (39, 5245060), (52, 3933795), (60, 3409289), (65, 3147036), (78, 2622530), (130, 1573518), (156, 1311265), (195, 1049012), (260, 786759), (390, 524506), (780, 262253)]