818373010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{128473}}^1$

素因数の和:128507

約数の個数: 48

約数和(自身を含む): 1845400536

約数和(自身を除く): 1027027526

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 128473, 256946, 642365, 899311, 1284730, 1670149, 1798622, 3340298, 4496555, 6295177, 8350745, 8993110, 11691043, 12590354, 16701490, 23382086, 31475885, 58455215, 62951770, 81837301, 116910430, 163674602, 409186505, 818373010]

約数ペア:

[(1, 818373010), (2, 409186505), (5, 163674602), (7, 116910430), (10, 81837301), (13, 62951770), (14, 58455215), (26, 31475885), (35, 23382086), (49, 16701490), (65, 12590354), (70, 11691043), (91, 8993110), (98, 8350745), (130, 6295177), (182, 4496555), (245, 3340298), (455, 1798622), (490, 1670149), (637, 1284730), (910, 899311), (1274, 642365), (3185, 256946), (6370, 128473)]