220159984

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{113719}}^1$

素因数の和:113749

約数の個数: 30

約数和(自身を含む): 468867560

約数和(自身を除く): 248707576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 113719, 227438, 454876, 909752, 1250909, 1819504, 2501818, 5003636, 10007272, 13759999, 20014544, 27519998, 55039996, 110079992, 220159984]

約数ペア:

[(1, 220159984), (2, 110079992), (4, 55039996), (8, 27519998), (11, 20014544), (16, 13759999), (22, 10007272), (44, 5003636), (88, 2501818), (121, 1819504), (176, 1250909), (242, 909752), (484, 454876), (968, 227438), (1936, 113719)]