99219220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{160031}}^1$

素因数の和:160071

約数の個数: 24

約数和(自身を含む): 215083008

約数和(自身を除く): 115863788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 160031, 320062, 640124, 800155, 1600310, 3200620, 4960961, 9921922, 19843844, 24804805, 49609610, 99219220]

約数ペア:

[(1, 99219220), (2, 49609610), (4, 24804805), (5, 19843844), (10, 9921922), (20, 4960961), (31, 3200620), (62, 1600310), (124, 800155), (155, 640124), (310, 320062), (620, 160031)]