17486140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2549}}^1$

素因数の和:2579

約数の個数: 48

約数和(自身を含む): 42840000

約数和(自身を除く): 25353860

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, 2549, 3430, 5098, 6860, 10196, 12745, 17843, 25490, 35686, 50980, 71372, 89215, 124901, 178430, 249802, 356860, 499604, 624505, 874307, 1249010, 1748614, 2498020, 3497228, 4371535, 8743070, 17486140]

約数ペア:

[(1, 17486140), (2, 8743070), (4, 4371535), (5, 3497228), (7, 2498020), (10, 1748614), (14, 1249010), (20, 874307), (28, 624505), (35, 499604), (49, 356860), (70, 249802), (98, 178430), (140, 124901), (196, 89215), (245, 71372), (343, 50980), (490, 35686), (686, 25490), (980, 17843), (1372, 12745), (1715, 10196), (2549, 6860), (3430, 5098)]