217807870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 461168640

約数和(自身を除く): 243360770

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 239, 277, 329, 470, 478, 554, 658, 1195, 1385, 1645, 1673, 1939, 2390, 2770, 3290, 3346, 3878, 8365, 9695, 11233, 13019, 16730, 19390, 22466, 26038, 56165, 65095, 66203, 78631, 91133, 112330, 130190, 132406, 157262, 182266, 331015, 393155, 455665, 463421, 662030, 786310, 911330, 926842, 2317105, 3111541, 4634210, 6223082, 15557705, 21780787, 31115410, 43561574, 108903935, 217807870]

約数ペア:

[(1, 217807870), (2, 108903935), (5, 43561574), (7, 31115410), (10, 21780787), (14, 15557705), (35, 6223082), (47, 4634210), (70, 3111541), (94, 2317105), (235, 926842), (239, 911330), (277, 786310), (329, 662030), (470, 463421), (478, 455665), (554, 393155), (658, 331015), (1195, 182266), (1385, 157262), (1645, 132406), (1673, 130190), (1939, 112330), (2390, 91133), (2770, 78631), (3290, 66203), (3346, 65095), (3878, 56165), (8365, 26038), (9695, 22466), (11233, 19390), (13019, 16730)]