65551220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{66889}}^1$

素因数の和:66912

約数の個数: 36

約数和(自身を含む): 160134660

約数和(自身を除く): 94583440

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 66889, 133778, 267556, 334445, 468223, 668890, 936446, 1337780, 1872892, 2341115, 3277561, 4682230, 6555122, 9364460, 13110244, 16387805, 32775610, 65551220]

約数ペア:

[(1, 65551220), (2, 32775610), (4, 16387805), (5, 13110244), (7, 9364460), (10, 6555122), (14, 4682230), (20, 3277561), (28, 2341115), (35, 1872892), (49, 1337780), (70, 936446), (98, 668890), (140, 468223), (196, 334445), (245, 267556), (490, 133778), (980, 66889)]