448401920

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2561

約数の個数: 80

約数和(自身を含む): 1090698048

約数和(自身を除く): 642296128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 1136, 1280, 1420, 2272, 2467, 2560, 2840, 4544, 4934, 5680, 9088, 9868, 11360, 12335, 18176, 19736, 22720, 24670, 36352, 39472, 45440, 49340, 78944, 90880, 98680, 157888, 175157, 181760, 197360, 315776, 350314, 394720, 631552, 700628, 789440, 875785, 1263104, 1401256, 1578880, 1751570, 2802512, 3157760, 3503140, 5605024, 6315520, 7006280, 11210048, 14012560, 22420096, 28025120, 44840192, 56050240, 89680384, 112100480, 224200960, 448401920]

約数ペア:

[(1, 448401920), (2, 224200960), (4, 112100480), (5, 89680384), (8, 56050240), (10, 44840192), (16, 28025120), (20, 22420096), (32, 14012560), (40, 11210048), (64, 7006280), (71, 6315520), (80, 5605024), (128, 3503140), (142, 3157760), (160, 2802512), (256, 1751570), (284, 1578880), (320, 1401256), (355, 1263104), (512, 875785), (568, 789440), (640, 700628), (710, 631552), (1136, 394720), (1280, 350314), (1420, 315776), (2272, 197360), (2467, 181760), (2560, 175157), (2840, 157888), (4544, 98680), (4934, 90880), (5680, 78944), (9088, 49340), (9868, 45440), (11360, 39472), (12335, 36352), (18176, 24670), (19736, 22720)]