72389930

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 132840000

約数和(自身を除く): 60450070

約数列:

[1, 2, 5, 10, 89, 163, 178, 326, 445, 499, 815, 890, 998, 1630, 2495, 4990, 14507, 29014, 44411, 72535, 81337, 88822, 145070, 162674, 222055, 406685, 444110, 813370, 7238993, 14477986, 36194965, 72389930]

約数ペア:

[(1, 72389930), (2, 36194965), (5, 14477986), (10, 7238993), (89, 813370), (163, 444110), (178, 406685), (326, 222055), (445, 162674), (499, 145070), (815, 88822), (890, 81337), (998, 72535), (1630, 44411), (2495, 29014), (4990, 14507)]