189729080

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{7517}}^1$

素因数の和:8159

約数の個数: 32

約数和(自身を含む): 427623840

約数和(自身を除く): 237894760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 7517, 12620, 15034, 25240, 30068, 37585, 60136, 75170, 150340, 300680, 4743227, 9486454, 18972908, 23716135, 37945816, 47432270, 94864540, 189729080]

約数ペア:

[(1, 189729080), (2, 94864540), (4, 47432270), (5, 37945816), (8, 23716135), (10, 18972908), (20, 9486454), (40, 4743227), (631, 300680), (1262, 150340), (2524, 75170), (3155, 60136), (5048, 37585), (6310, 30068), (7517, 25240), (12620, 15034)]