138469380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{751}}^1$

素因数の和:1209

約数の個数: 96

約数和(自身を含む): 444702720

約数和(自身を除く): 306233340

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, 439, 751, 878, 1317, 1502, 1756, 2195, 2253, 2634, 3004, 3073, 3755, 4390, 4506, 5257, 5268, 6146, 6585, 7510, 8780, 9012, 9219, 10514, 11265, 12292, 13170, 15020, 15365, 15771, 18438, 21028, 22530, 26285, 26340, 30730, 31542, 36876, 45060, 46095, 52570, 61460, 63084, 78855, 92190, 105140, 157710, 184380, 315420, 329689, 659378, 989067, 1318756, 1648445, 1978134, 2307823, 3296890, 3956268, 4615646, 4945335, 6593780, 6923469, 9231292, 9890670, 11539115, 13846938, 19781340, 23078230, 27693876, 34617345, 46156460, 69234690, 138469380]

約数ペア:

[(1, 138469380), (2, 69234690), (3, 46156460), (4, 34617345), (5, 27693876), (6, 23078230), (7, 19781340), (10, 13846938), (12, 11539115), (14, 9890670), (15, 9231292), (20, 6923469), (21, 6593780), (28, 4945335), (30, 4615646), (35, 3956268), (42, 3296890), (60, 2307823), (70, 1978134), (84, 1648445), (105, 1318756), (140, 989067), (210, 659378), (420, 329689), (439, 315420), (751, 184380), (878, 157710), (1317, 105140), (1502, 92190), (1756, 78855), (2195, 63084), (2253, 61460), (2634, 52570), (3004, 46095), (3073, 45060), (3755, 36876), (4390, 31542), (4506, 30730), (5257, 26340), (5268, 26285), (6146, 22530), (6585, 21028), (7510, 18438), (8780, 15771), (9012, 15365), (9219, 15020), (10514, 13170), (11265, 12292)]