11721220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2887}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 29111040

約数和(自身を除く): 17389820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2887, 4060, 5774, 11548, 14435, 20209, 28870, 40418, 57740, 80836, 83723, 101045, 167446, 202090, 334892, 404180, 418615, 586061, 837230, 1172122, 1674460, 2344244, 2930305, 5860610, 11721220]

約数ペア:

[(1, 11721220), (2, 5860610), (4, 2930305), (5, 2344244), (7, 1674460), (10, 1172122), (14, 837230), (20, 586061), (28, 418615), (29, 404180), (35, 334892), (58, 202090), (70, 167446), (116, 101045), (140, 83723), (145, 80836), (203, 57740), (290, 40418), (406, 28870), (580, 20209), (812, 14435), (1015, 11548), (2030, 5774), (2887, 4060)]