2209060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 5483520

約数和(自身を除く): 3274460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 509, 620, 868, 1018, 1085, 2036, 2170, 2545, 3563, 4340, 5090, 7126, 10180, 14252, 15779, 17815, 31558, 35630, 63116, 71260, 78895, 110453, 157790, 220906, 315580, 441812, 552265, 1104530, 2209060]

約数ペア:

[(1, 2209060), (2, 1104530), (4, 552265), (5, 441812), (7, 315580), (10, 220906), (14, 157790), (20, 110453), (28, 78895), (31, 71260), (35, 63116), (62, 35630), (70, 31558), (124, 17815), (140, 15779), (155, 14252), (217, 10180), (310, 7126), (434, 5090), (509, 4340), (620, 3563), (868, 2545), (1018, 2170), (1085, 2036)]