157741090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1999}}^1$

素因数の和:2626

約数の個数: 32

約数和(自身を含む): 306432000

約数和(自身を除く): 148690910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 607, 1214, 1999, 3035, 3998, 6070, 7891, 9995, 15782, 19990, 25987, 39455, 51974, 78910, 129935, 259870, 1213393, 2426786, 6066965, 12133930, 15774109, 31548218, 78870545, 157741090]

約数ペア:

[(1, 157741090), (2, 78870545), (5, 31548218), (10, 15774109), (13, 12133930), (26, 6066965), (65, 2426786), (130, 1213393), (607, 259870), (1214, 129935), (1999, 78910), (3035, 51974), (3998, 39455), (6070, 25987), (7891, 19990), (9995, 15782)]