1237200220

素因数分解:

$2^2\times 5^1\times {\mathrm{4091}}^1\times {\mathrm{15121}}^1$

素因数の和:19221

約数の個数: 24

約数和(自身を含む): 2598927408

約数和(自身を除く): 1361727188

約数列:

[1, 2, 4, 5, 10, 20, 4091, 8182, 15121, 16364, 20455, 30242, 40910, 60484, 75605, 81820, 151210, 302420, 61860011, 123720022, 247440044, 309300055, 618600110, 1237200220]

約数ペア:

[(1, 1237200220), (2, 618600110), (4, 309300055), (5, 247440044), (10, 123720022), (20, 61860011), (4091, 302420), (8182, 151210), (15121, 81820), (16364, 75605), (20455, 60484), (30242, 40910)]