84939260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20921}}^1$

素因数の和:20966

約数の個数: 48

約数和(自身を含む): 210893760

約数和(自身を除く): 125954500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 20921, 41842, 83684, 104605, 146447, 209210, 292894, 418420, 585788, 606709, 732235, 1213418, 1464470, 2426836, 2928940, 3033545, 4246963, 6067090, 8493926, 12134180, 16987852, 21234815, 42469630, 84939260]

約数ペア:

[(1, 84939260), (2, 42469630), (4, 21234815), (5, 16987852), (7, 12134180), (10, 8493926), (14, 6067090), (20, 4246963), (28, 3033545), (29, 2928940), (35, 2426836), (58, 1464470), (70, 1213418), (116, 732235), (140, 606709), (145, 585788), (203, 418420), (290, 292894), (406, 209210), (580, 146447), (812, 104605), (1015, 83684), (2030, 41842), (4060, 20921)]