16964780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2473}}^1$

素因数の和:2503

約数の個数: 48

約数和(自身を含む): 41563200

約数和(自身を除く): 24598420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2473, 3430, 4946, 6860, 9892, 12365, 17311, 24730, 34622, 49460, 69244, 86555, 121177, 173110, 242354, 346220, 484708, 605885, 848239, 1211770, 1696478, 2423540, 3392956, 4241195, 8482390, 16964780]

約数ペア:

[(1, 16964780), (2, 8482390), (4, 4241195), (5, 3392956), (7, 2423540), (10, 1696478), (14, 1211770), (20, 848239), (28, 605885), (35, 484708), (49, 346220), (70, 242354), (98, 173110), (140, 121177), (196, 86555), (245, 69244), (343, 49460), (490, 34622), (686, 24730), (980, 17311), (1372, 12365), (1715, 9892), (2473, 6860), (3430, 4946)]