156723020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1801}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 348146400

約数和(自身を除く): 191423380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 380, 458, 916, 1145, 1801, 2290, 3602, 4351, 4580, 7204, 8702, 9005, 17404, 18010, 21755, 34219, 36020, 43510, 68438, 87020, 136876, 171095, 342190, 412429, 684380, 824858, 1649716, 2062145, 4124290, 7836151, 8248580, 15672302, 31344604, 39180755, 78361510, 156723020]

約数ペア:

[(1, 156723020), (2, 78361510), (4, 39180755), (5, 31344604), (10, 15672302), (19, 8248580), (20, 7836151), (38, 4124290), (76, 2062145), (95, 1649716), (190, 824858), (229, 684380), (380, 412429), (458, 342190), (916, 171095), (1145, 136876), (1801, 87020), (2290, 68438), (3602, 43510), (4351, 36020), (4580, 34219), (7204, 21755), (8702, 18010), (9005, 17404)]