1281137900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{14411}}^1$

素因数の和:14559

約数の個数: 72

約数和(自身を含む): 3202461696

約数和(自身を除く): 1921323796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 254, 350, 508, 635, 700, 889, 1270, 1778, 2540, 3175, 3556, 4445, 6350, 8890, 12700, 14411, 17780, 22225, 28822, 44450, 57644, 72055, 88900, 100877, 144110, 201754, 288220, 360275, 403508, 504385, 720550, 1008770, 1441100, 1830197, 2017540, 2521925, 3660394, 5043850, 7320788, 9150985, 10087700, 12811379, 18301970, 25622758, 36603940, 45754925, 51245516, 64056895, 91509850, 128113790, 183019700, 256227580, 320284475, 640568950, 1281137900]

約数ペア:

[(1, 1281137900), (2, 640568950), (4, 320284475), (5, 256227580), (7, 183019700), (10, 128113790), (14, 91509850), (20, 64056895), (25, 51245516), (28, 45754925), (35, 36603940), (50, 25622758), (70, 18301970), (100, 12811379), (127, 10087700), (140, 9150985), (175, 7320788), (254, 5043850), (350, 3660394), (508, 2521925), (635, 2017540), (700, 1830197), (889, 1441100), (1270, 1008770), (1778, 720550), (2540, 504385), (3175, 403508), (3556, 360275), (4445, 288220), (6350, 201754), (8890, 144110), (12700, 100877), (14411, 88900), (17780, 72055), (22225, 57644), (28822, 44450)]