121200940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{865721}}^1$

素因数の和:865737

約数の個数: 24

約数和(自身を含む): 290882592

約数和(自身を除く): 169681652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 865721, 1731442, 3462884, 4328605, 6060047, 8657210, 12120094, 17314420, 24240188, 30300235, 60600470, 121200940]

約数ペア:

[(1, 121200940), (2, 60600470), (4, 30300235), (5, 24240188), (7, 17314420), (10, 12120094), (14, 8657210), (20, 6060047), (28, 4328605), (35, 3462884), (70, 1731442), (140, 865721)]