248242020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318259}}^1$

素因数の和:318284

約数の個数: 48

約数和(自身を含む): 748547520

約数和(自身を除く): 500305500

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, 318259, 636518, 954777, 1273036, 1591295, 1909554, 3182590, 3819108, 4137367, 4773885, 6365180, 8274734, 9547770, 12412101, 16549468, 19095540, 20686835, 24824202, 41373670, 49648404, 62060505, 82747340, 124121010, 248242020]

約数ペア:

[(1, 248242020), (2, 124121010), (3, 82747340), (4, 62060505), (5, 49648404), (6, 41373670), (10, 24824202), (12, 20686835), (13, 19095540), (15, 16549468), (20, 12412101), (26, 9547770), (30, 8274734), (39, 6365180), (52, 4773885), (60, 4137367), (65, 3819108), (78, 3182590), (130, 1909554), (156, 1591295), (195, 1273036), (260, 954777), (390, 636518), (780, 318259)]