28253540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6959}}^1$

素因数の和:7004

約数の個数: 48

約数和(自身を含む): 70156800

約数和(自身を除く): 41903260

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, 6959, 13918, 27836, 34795, 48713, 69590, 97426, 139180, 194852, 201811, 243565, 403622, 487130, 807244, 974260, 1009055, 1412677, 2018110, 2825354, 4036220, 5650708, 7063385, 14126770, 28253540]

約数ペア:

[(1, 28253540), (2, 14126770), (4, 7063385), (5, 5650708), (7, 4036220), (10, 2825354), (14, 2018110), (20, 1412677), (28, 1009055), (29, 974260), (35, 807244), (58, 487130), (70, 403622), (116, 243565), (140, 201811), (145, 194852), (203, 139180), (290, 97426), (406, 69590), (580, 48713), (812, 34795), (1015, 27836), (2030, 13918), (4060, 6959)]