17841880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9103}}^1$

素因数の和:9128

約数の個数: 48

約数和(自身を含む): 46703520

約数和(自身を除く): 28861640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9103, 18206, 36412, 45515, 63721, 72824, 91030, 127442, 182060, 254884, 318605, 364120, 446047, 509768, 637210, 892094, 1274420, 1784188, 2230235, 2548840, 3568376, 4460470, 8920940, 17841880]

約数ペア:

[(1, 17841880), (2, 8920940), (4, 4460470), (5, 3568376), (7, 2548840), (8, 2230235), (10, 1784188), (14, 1274420), (20, 892094), (28, 637210), (35, 509768), (40, 446047), (49, 364120), (56, 318605), (70, 254884), (98, 182060), (140, 127442), (196, 91030), (245, 72824), (280, 63721), (392, 45515), (490, 36412), (980, 18206), (1960, 9103)]