1422740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 3386880

約数和(自身を除く): 1964140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 223, 290, 319, 446, 580, 638, 892, 1115, 1276, 1595, 2230, 2453, 3190, 4460, 4906, 6380, 6467, 9812, 12265, 12934, 24530, 25868, 32335, 49060, 64670, 71137, 129340, 142274, 284548, 355685, 711370, 1422740]

約数ペア:

[(1, 1422740), (2, 711370), (4, 355685), (5, 284548), (10, 142274), (11, 129340), (20, 71137), (22, 64670), (29, 49060), (44, 32335), (55, 25868), (58, 24530), (110, 12934), (116, 12265), (145, 9812), (220, 6467), (223, 6380), (290, 4906), (319, 4460), (446, 3190), (580, 2453), (638, 2230), (892, 1595), (1115, 1276)]