72903530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1999}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 150336000

約数和(自身を除く): 77432470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 1042, 1999, 2605, 3647, 3998, 5210, 7294, 9995, 13993, 18235, 19990, 27986, 36470, 69965, 139930, 1041479, 2082958, 5207395, 7290353, 10414790, 14580706, 36451765, 72903530]

約数ペア:

[(1, 72903530), (2, 36451765), (5, 14580706), (7, 10414790), (10, 7290353), (14, 5207395), (35, 2082958), (70, 1041479), (521, 139930), (1042, 69965), (1999, 36470), (2605, 27986), (3647, 19990), (3998, 18235), (5210, 13993), (7294, 9995)]