28461860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{773}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 68656896

約数和(自身を除く): 40195036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 773, 1052, 1315, 1546, 1841, 2630, 3092, 3682, 3865, 5260, 5411, 7364, 7730, 9205, 10822, 15460, 18410, 21644, 27055, 36820, 54110, 108220, 203299, 406598, 813196, 1016495, 1423093, 2032990, 2846186, 4065980, 5692372, 7115465, 14230930, 28461860]

約数ペア:

[(1, 28461860), (2, 14230930), (4, 7115465), (5, 5692372), (7, 4065980), (10, 2846186), (14, 2032990), (20, 1423093), (28, 1016495), (35, 813196), (70, 406598), (140, 203299), (263, 108220), (526, 54110), (773, 36820), (1052, 27055), (1315, 21644), (1546, 18410), (1841, 15460), (2630, 10822), (3092, 9205), (3682, 7730), (3865, 7364), (5260, 5411)]