72820220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{30091}}^1$

素因数の和:30122

約数の個数: 36

約数和(自身を含む): 168093912

約数和(自身を除く): 95273692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 30091, 60182, 120364, 150455, 300910, 331001, 601820, 662002, 1324004, 1655005, 3310010, 3641011, 6620020, 7282022, 14564044, 18205055, 36410110, 72820220]

約数ペア:

[(1, 72820220), (2, 36410110), (4, 18205055), (5, 14564044), (10, 7282022), (11, 6620020), (20, 3641011), (22, 3310010), (44, 1655005), (55, 1324004), (110, 662002), (121, 601820), (220, 331001), (242, 300910), (484, 150455), (605, 120364), (1210, 60182), (2420, 30091)]