72419930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1153}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 142579008

約数和(自身を除く): 70159078

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 571, 1142, 1153, 2306, 2855, 5710, 5765, 6281, 11530, 12562, 12683, 25366, 31405, 62810, 63415, 126830, 658363, 1316726, 3291815, 6583630, 7241993, 14483986, 36209965, 72419930]

約数ペア:

[(1, 72419930), (2, 36209965), (5, 14483986), (10, 7241993), (11, 6583630), (22, 3291815), (55, 1316726), (110, 658363), (571, 126830), (1142, 63415), (1153, 62810), (2306, 31405), (2855, 25366), (5710, 12683), (5765, 12562), (6281, 11530)]