201070120

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 461894400

約数和(自身を除く): 260824280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 109, 214, 218, 428, 431, 436, 535, 545, 856, 862, 872, 1070, 1090, 1724, 2140, 2155, 2180, 3448, 4280, 4310, 4360, 8620, 11663, 17240, 23326, 46117, 46652, 46979, 58315, 92234, 93304, 93958, 116630, 184468, 187916, 230585, 233260, 234895, 368936, 375832, 461170, 466520, 469790, 922340, 939580, 1844680, 1879160, 5026753, 10053506, 20107012, 25133765, 40214024, 50267530, 100535060, 201070120]

約数ペア:

[(1, 201070120), (2, 100535060), (4, 50267530), (5, 40214024), (8, 25133765), (10, 20107012), (20, 10053506), (40, 5026753), (107, 1879160), (109, 1844680), (214, 939580), (218, 922340), (428, 469790), (431, 466520), (436, 461170), (535, 375832), (545, 368936), (856, 234895), (862, 233260), (872, 230585), (1070, 187916), (1090, 184468), (1724, 116630), (2140, 93958), (2155, 93304), (2180, 92234), (3448, 58315), (4280, 46979), (4310, 46652), (4360, 46117), (8620, 23326), (11663, 17240)]