179399920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{701}}^1$

素因数の和:1178

約数の個数: 80

約数和(自身を含む): 478415808

約数和(自身を除く): 299015888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 457, 560, 701, 914, 1402, 1828, 2285, 2804, 3199, 3505, 3656, 4570, 4907, 5608, 6398, 7010, 7312, 9140, 9814, 11216, 12796, 14020, 15995, 18280, 19628, 24535, 25592, 28040, 31990, 36560, 39256, 49070, 51184, 56080, 63980, 78512, 98140, 127960, 196280, 255920, 320357, 392560, 640714, 1281428, 1601785, 2242499, 2562856, 3203570, 4484998, 5125712, 6407140, 8969996, 11212495, 12814280, 17939992, 22424990, 25628560, 35879984, 44849980, 89699960, 179399920]

約数ペア:

[(1, 179399920), (2, 89699960), (4, 44849980), (5, 35879984), (7, 25628560), (8, 22424990), (10, 17939992), (14, 12814280), (16, 11212495), (20, 8969996), (28, 6407140), (35, 5125712), (40, 4484998), (56, 3203570), (70, 2562856), (80, 2242499), (112, 1601785), (140, 1281428), (280, 640714), (457, 392560), (560, 320357), (701, 255920), (914, 196280), (1402, 127960), (1828, 98140), (2285, 78512), (2804, 63980), (3199, 56080), (3505, 51184), (3656, 49070), (4570, 39256), (4907, 36560), (5608, 31990), (6398, 28040), (7010, 25592), (7312, 24535), (9140, 19628), (9814, 18280), (11216, 15995), (12796, 14020)]