7240940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{51721}}^1$

素因数の和:51737

約数の個数: 24

約数和(自身を含む): 17378592

約数和(自身を除く): 10137652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 51721, 103442, 206884, 258605, 362047, 517210, 724094, 1034420, 1448188, 1810235, 3620470, 7240940]

約数ペア:

[(1, 7240940), (2, 3620470), (4, 1810235), (5, 1448188), (7, 1034420), (10, 724094), (14, 517210), (20, 362047), (28, 258605), (35, 206884), (70, 103442), (140, 51721)]