890753780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{7459}}^1$

素因数の和:8328

約数の個数: 48

約数和(自身を含む): 2140602240

約数和(自身を除く): 1249848460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 853, 1706, 3412, 4265, 5971, 7459, 8530, 11942, 14918, 17060, 23884, 29836, 29855, 37295, 52213, 59710, 74590, 104426, 119420, 149180, 208852, 261065, 522130, 1044260, 6362527, 12725054, 25450108, 31812635, 44537689, 63625270, 89075378, 127250540, 178150756, 222688445, 445376890, 890753780]

約数ペア:

[(1, 890753780), (2, 445376890), (4, 222688445), (5, 178150756), (7, 127250540), (10, 89075378), (14, 63625270), (20, 44537689), (28, 31812635), (35, 25450108), (70, 12725054), (140, 6362527), (853, 1044260), (1706, 522130), (3412, 261065), (4265, 208852), (5971, 149180), (7459, 119420), (8530, 104426), (11942, 74590), (14918, 59710), (17060, 52213), (23884, 37295), (29836, 29855)]