239982990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{615341}}^1$

素因数の和:615364

約数の個数: 32

約数和(自身を含む): 620264736

約数和(自身を除く): 380281746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 615341, 1230682, 1846023, 3076705, 3692046, 6153410, 7999433, 9230115, 15998866, 18460230, 23998299, 39997165, 47996598, 79994330, 119991495, 239982990]

約数ペア:

[(1, 239982990), (2, 119991495), (3, 79994330), (5, 47996598), (6, 39997165), (10, 23998299), (13, 18460230), (15, 15998866), (26, 9230115), (30, 7999433), (39, 6153410), (65, 3692046), (78, 3076705), (130, 1846023), (195, 1230682), (390, 615341)]