61197740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{607}}^1$

素因数の和:758

約数の個数: 36

約数和(自身を含む): 130565568

約数和(自身を除く): 69367828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 607, 710, 1214, 1420, 2428, 3035, 5041, 6070, 10082, 12140, 20164, 25205, 43097, 50410, 86194, 100820, 172388, 215485, 430970, 861940, 3059887, 6119774, 12239548, 15299435, 30598870, 61197740]

約数ペア:

[(1, 61197740), (2, 30598870), (4, 15299435), (5, 12239548), (10, 6119774), (20, 3059887), (71, 861940), (142, 430970), (284, 215485), (355, 172388), (607, 100820), (710, 86194), (1214, 50410), (1420, 43097), (2428, 25205), (3035, 20164), (5041, 12140), (6070, 10082)]