31210620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74311}}^1$

素因数の和:74330

約数の個数: 48

約数和(自身を含む): 99875328

約数和(自身を除く): 68664708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74311, 148622, 222933, 297244, 371555, 445866, 520177, 743110, 891732, 1040354, 1114665, 1486220, 1560531, 2080708, 2229330, 2600885, 3121062, 4458660, 5201770, 6242124, 7802655, 10403540, 15605310, 31210620]

約数ペア:

[(1, 31210620), (2, 15605310), (3, 10403540), (4, 7802655), (5, 6242124), (6, 5201770), (7, 4458660), (10, 3121062), (12, 2600885), (14, 2229330), (15, 2080708), (20, 1560531), (21, 1486220), (28, 1114665), (30, 1040354), (35, 891732), (42, 743110), (60, 520177), (70, 445866), (84, 371555), (105, 297244), (140, 222933), (210, 148622), (420, 74311)]