128262820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11597}}^1$

素因数の和:11692

約数の個数: 48

約数和(自身を含む): 311754240

約数和(自身を除く): 183491420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 11597, 23194, 46388, 57985, 81179, 115970, 162358, 231940, 324716, 405895, 811790, 916163, 1623580, 1832326, 3664652, 4580815, 6413141, 9161630, 12826282, 18323260, 25652564, 32065705, 64131410, 128262820]

約数ペア:

[(1, 128262820), (2, 64131410), (4, 32065705), (5, 25652564), (7, 18323260), (10, 12826282), (14, 9161630), (20, 6413141), (28, 4580815), (35, 3664652), (70, 1832326), (79, 1623580), (140, 916163), (158, 811790), (316, 405895), (395, 324716), (553, 231940), (790, 162358), (1106, 115970), (1580, 81179), (2212, 57985), (2765, 46388), (5530, 23194), (11060, 11597)]