17456740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 43666560

約数和(自身を除く): 26209820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 379, 470, 490, 658, 758, 940, 980, 1316, 1516, 1645, 1895, 2303, 2653, 3290, 3790, 4606, 5306, 6580, 7580, 9212, 10612, 11515, 13265, 17813, 18571, 23030, 26530, 35626, 37142, 46060, 53060, 71252, 74284, 89065, 92855, 124691, 178130, 185710, 249382, 356260, 371420, 498764, 623455, 872837, 1246910, 1745674, 2493820, 3491348, 4364185, 8728370, 17456740]

約数ペア:

[(1, 17456740), (2, 8728370), (4, 4364185), (5, 3491348), (7, 2493820), (10, 1745674), (14, 1246910), (20, 872837), (28, 623455), (35, 498764), (47, 371420), (49, 356260), (70, 249382), (94, 185710), (98, 178130), (140, 124691), (188, 92855), (196, 89065), (235, 74284), (245, 71252), (329, 53060), (379, 46060), (470, 37142), (490, 35626), (658, 26530), (758, 23030), (940, 18571), (980, 17813), (1316, 13265), (1516, 11515), (1645, 10612), (1895, 9212), (2303, 7580), (2653, 6580), (3290, 5306), (3790, 4606)]