208481140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1319}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 501177600

約数和(自身を除く): 292696460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1129, 1319, 2258, 2638, 4516, 5276, 5645, 6595, 7903, 9233, 11290, 13190, 15806, 18466, 22580, 26380, 31612, 36932, 39515, 46165, 79030, 92330, 158060, 184660, 1489151, 2978302, 5956604, 7445755, 10424057, 14891510, 20848114, 29783020, 41696228, 52120285, 104240570, 208481140]

約数ペア:

[(1, 208481140), (2, 104240570), (4, 52120285), (5, 41696228), (7, 29783020), (10, 20848114), (14, 14891510), (20, 10424057), (28, 7445755), (35, 5956604), (70, 2978302), (140, 1489151), (1129, 184660), (1319, 158060), (2258, 92330), (2638, 79030), (4516, 46165), (5276, 39515), (5645, 36932), (6595, 31612), (7903, 26380), (9233, 22580), (11290, 18466), (13190, 15806)]