128740220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1297}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 309650880

約数和(自身を除く): 180910660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 1297, 1418, 2594, 2836, 3545, 4963, 5188, 6485, 7090, 9079, 9926, 12970, 14180, 18158, 19852, 24815, 25940, 36316, 45395, 49630, 90790, 99260, 181580, 919573, 1839146, 3678292, 4597865, 6437011, 9195730, 12874022, 18391460, 25748044, 32185055, 64370110, 128740220]

約数ペア:

[(1, 128740220), (2, 64370110), (4, 32185055), (5, 25748044), (7, 18391460), (10, 12874022), (14, 9195730), (20, 6437011), (28, 4597865), (35, 3678292), (70, 1839146), (140, 919573), (709, 181580), (1297, 99260), (1418, 90790), (2594, 49630), (2836, 45395), (3545, 36316), (4963, 25940), (5188, 24815), (6485, 19852), (7090, 18158), (9079, 14180), (9926, 12970)]