2988895760

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1\times {\mathrm{701}}^1$

素因数の和:1176

約数の個数: 80

約数和(自身を含む): 7019550720

約数和(自身を除く): 4030654960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 239, 446, 478, 701, 892, 956, 1115, 1195, 1402, 1784, 1912, 2230, 2390, 2804, 3505, 3568, 3824, 4460, 4780, 5608, 7010, 8920, 9560, 11216, 14020, 17840, 19120, 28040, 53297, 56080, 106594, 156323, 167539, 213188, 266485, 312646, 335078, 426376, 532970, 625292, 670156, 781615, 837695, 852752, 1065940, 1250584, 1340312, 1563230, 1675390, 2131880, 2501168, 2680624, 3126460, 3350780, 4263760, 6252920, 6701560, 12505840, 13403120, 37361197, 74722394, 149444788, 186805985, 298889576, 373611970, 597779152, 747223940, 1494447880, 2988895760]

約数ペア:

[(1, 2988895760), (2, 1494447880), (4, 747223940), (5, 597779152), (8, 373611970), (10, 298889576), (16, 186805985), (20, 149444788), (40, 74722394), (80, 37361197), (223, 13403120), (239, 12505840), (446, 6701560), (478, 6252920), (701, 4263760), (892, 3350780), (956, 3126460), (1115, 2680624), (1195, 2501168), (1402, 2131880), (1784, 1675390), (1912, 1563230), (2230, 1340312), (2390, 1250584), (2804, 1065940), (3505, 852752), (3568, 837695), (3824, 781615), (4460, 670156), (4780, 625292), (5608, 532970), (7010, 426376), (8920, 335078), (9560, 312646), (11216, 266485), (14020, 213188), (17840, 167539), (19120, 156323), (28040, 106594), (53297, 56080)]