17662820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1597}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 42954240

約数和(自身を除く): 25291420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1597, 2212, 2765, 3194, 5530, 6388, 7985, 11060, 11179, 15970, 22358, 31940, 44716, 55895, 111790, 126163, 223580, 252326, 504652, 630815, 883141, 1261630, 1766282, 2523260, 3532564, 4415705, 8831410, 17662820]

約数ペア:

[(1, 17662820), (2, 8831410), (4, 4415705), (5, 3532564), (7, 2523260), (10, 1766282), (14, 1261630), (20, 883141), (28, 630815), (35, 504652), (70, 252326), (79, 223580), (140, 126163), (158, 111790), (316, 55895), (395, 44716), (553, 31940), (790, 22358), (1106, 15970), (1580, 11179), (1597, 11060), (2212, 7985), (2765, 6388), (3194, 5530)]