1315694540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1\times {\mathrm{1187}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 2790783072

約数和(自身を除く): 1475088532

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 353, 628, 706, 785, 1187, 1412, 1570, 1765, 2374, 3140, 3530, 4748, 5935, 7060, 11870, 23740, 55421, 110842, 186359, 221684, 277105, 372718, 419011, 554210, 745436, 838022, 931795, 1108420, 1676044, 1863590, 2095055, 3727180, 4190110, 8380220, 65784727, 131569454, 263138908, 328923635, 657847270, 1315694540]

約数ペア:

[(1, 1315694540), (2, 657847270), (4, 328923635), (5, 263138908), (10, 131569454), (20, 65784727), (157, 8380220), (314, 4190110), (353, 3727180), (628, 2095055), (706, 1863590), (785, 1676044), (1187, 1108420), (1412, 931795), (1570, 838022), (1765, 745436), (2374, 554210), (3140, 419011), (3530, 372718), (4748, 277105), (5935, 221684), (7060, 186359), (11870, 110842), (23740, 55421)]