290443020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{691531}}^1$

素因数の和:691550

約数の個数: 48

約数和(自身を含む): 929419008

約数和(自身を除く): 638975988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 691531, 1383062, 2074593, 2766124, 3457655, 4149186, 4840717, 6915310, 8298372, 9681434, 10372965, 13830620, 14522151, 19362868, 20745930, 24203585, 29044302, 41491860, 48407170, 58088604, 72610755, 96814340, 145221510, 290443020]

約数ペア:

[(1, 290443020), (2, 145221510), (3, 96814340), (4, 72610755), (5, 58088604), (6, 48407170), (7, 41491860), (10, 29044302), (12, 24203585), (14, 20745930), (15, 19362868), (20, 14522151), (21, 13830620), (28, 10372965), (30, 9681434), (35, 8298372), (42, 6915310), (60, 4840717), (70, 4149186), (84, 3457655), (105, 2766124), (140, 2074593), (210, 1383062), (420, 691531)]