51145220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{52189}}^1$

素因数の和:52212

約数の個数: 36

約数和(自身を含む): 124942860

約数和(自身を除く): 73797640

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 52189, 104378, 208756, 260945, 365323, 521890, 730646, 1043780, 1461292, 1826615, 2557261, 3653230, 5114522, 7306460, 10229044, 12786305, 25572610, 51145220]

約数ペア:

[(1, 51145220), (2, 25572610), (4, 12786305), (5, 10229044), (7, 7306460), (10, 5114522), (14, 3653230), (20, 2557261), (28, 1826615), (35, 1461292), (49, 1043780), (70, 730646), (98, 521890), (140, 365323), (196, 260945), (245, 208756), (490, 104378), (980, 52189)]