28284830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3923}}^1$

素因数の和:4040

約数の個数: 32

約数和(自身を含む): 58765824

約数和(自身を除く): 30480994

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 3923, 7210, 7846, 19615, 27461, 39230, 54922, 137305, 274610, 404069, 808138, 2020345, 2828483, 4040690, 5656966, 14142415, 28284830]

約数ペア:

[(1, 28284830), (2, 14142415), (5, 5656966), (7, 4040690), (10, 2828483), (14, 2020345), (35, 808138), (70, 404069), (103, 274610), (206, 137305), (515, 54922), (721, 39230), (1030, 27461), (1442, 19615), (3605, 7846), (3923, 7210)]