201560780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1051}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 435477504

約数和(自身を除く): 233916724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 223, 430, 446, 860, 892, 1051, 1115, 2102, 2230, 4204, 4460, 5255, 9589, 10510, 19178, 21020, 38356, 45193, 47945, 90386, 95890, 180772, 191780, 225965, 234373, 451930, 468746, 903860, 937492, 1171865, 2343730, 4687460, 10078039, 20156078, 40312156, 50390195, 100780390, 201560780]

約数ペア:

[(1, 201560780), (2, 100780390), (4, 50390195), (5, 40312156), (10, 20156078), (20, 10078039), (43, 4687460), (86, 2343730), (172, 1171865), (215, 937492), (223, 903860), (430, 468746), (446, 451930), (860, 234373), (892, 225965), (1051, 191780), (1115, 180772), (2102, 95890), (2230, 90386), (4204, 47945), (4460, 45193), (5255, 38356), (9589, 21020), (10510, 19178)]