149980220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3187}}^1$

素因数の和:3390

約数の個数: 48

約数和(自身を含む): 341167008

約数和(自身を除く): 191186788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 3187, 3620, 4706, 6374, 9412, 11765, 12748, 15935, 23530, 31870, 41431, 47060, 63740, 82862, 165724, 207155, 414310, 576847, 828620, 1153694, 2307388, 2884235, 5768470, 7499011, 11536940, 14998022, 29996044, 37495055, 74990110, 149980220]

約数ペア:

[(1, 149980220), (2, 74990110), (4, 37495055), (5, 29996044), (10, 14998022), (13, 11536940), (20, 7499011), (26, 5768470), (52, 2884235), (65, 2307388), (130, 1153694), (181, 828620), (260, 576847), (362, 414310), (724, 207155), (905, 165724), (1810, 82862), (2353, 63740), (3187, 47060), (3620, 41431), (4706, 31870), (6374, 23530), (9412, 15935), (11765, 12748)]