248068520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{885959}}^1$

素因数の和:885977

約数の個数: 32

約数和(自身を含む): 637891200

約数和(自身を除く): 389822680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 885959, 1771918, 3543836, 4429795, 6201713, 7087672, 8859590, 12403426, 17719180, 24806852, 31008565, 35438360, 49613704, 62017130, 124034260, 248068520]

約数ペア:

[(1, 248068520), (2, 124034260), (4, 62017130), (5, 49613704), (7, 35438360), (8, 31008565), (10, 24806852), (14, 17719180), (20, 12403426), (28, 8859590), (35, 7087672), (40, 6201713), (56, 4429795), (70, 3543836), (140, 1771918), (280, 885959)]