203209090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{100103}}^1$

素因数の和:100146

約数の個数: 32

約数和(自身を含む): 432449280

約数和(自身を除く): 229240190

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 100103, 200206, 500515, 700721, 1001030, 1401442, 2902987, 3503605, 5805974, 7007210, 14514935, 20320909, 29029870, 40641818, 101604545, 203209090]

約数ペア:

[(1, 203209090), (2, 101604545), (5, 40641818), (7, 29029870), (10, 20320909), (14, 14514935), (29, 7007210), (35, 5805974), (58, 3503605), (70, 2902987), (145, 1401442), (203, 1001030), (290, 700721), (406, 500515), (1015, 200206), (2030, 100103)]