389968231160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1373321}}^1$

素因数の和:1373592

約数の個数: 64

約数和(自身を含む): 909688492800

約数和(自身を除く): 519720261640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 229, 248, 310, 458, 620, 916, 1145, 1240, 1832, 2290, 4580, 7099, 9160, 14198, 28396, 35495, 56792, 70990, 141980, 283960, 1373321, 2746642, 5493284, 6866605, 10986568, 13733210, 27466420, 42572951, 54932840, 85145902, 170291804, 212864755, 314490509, 340583608, 425729510, 628981018, 851459020, 1257962036, 1572452545, 1702918040, 2515924072, 3144905090, 6289810180, 9749205779, 12579620360, 19498411558, 38996823116, 48746028895, 77993646232, 97492057790, 194984115580, 389968231160]

約数ペア:

[(1, 389968231160), (2, 194984115580), (4, 97492057790), (5, 77993646232), (8, 48746028895), (10, 38996823116), (20, 19498411558), (31, 12579620360), (40, 9749205779), (62, 6289810180), (124, 3144905090), (155, 2515924072), (229, 1702918040), (248, 1572452545), (310, 1257962036), (458, 851459020), (620, 628981018), (916, 425729510), (1145, 340583608), (1240, 314490509), (1832, 212864755), (2290, 170291804), (4580, 85145902), (7099, 54932840), (9160, 42572951), (14198, 27466420), (28396, 13733210), (35495, 10986568), (56792, 6866605), (70990, 5493284), (141980, 2746642), (283960, 1373321)]