388246480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1759}}^1$

素因数の和:1892

約数の個数: 80

約数和(自身を含む): 942796800

約数和(自身を除く): 554550320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 356, 445, 496, 620, 712, 890, 1240, 1424, 1759, 1780, 2480, 2759, 3518, 3560, 5518, 7036, 7120, 8795, 11036, 13795, 14072, 17590, 22072, 27590, 28144, 35180, 44144, 54529, 55180, 70360, 109058, 110360, 140720, 156551, 218116, 220720, 272645, 313102, 436232, 545290, 626204, 782755, 872464, 1090580, 1252408, 1565510, 2181160, 2504816, 3131020, 4362320, 4853081, 6262040, 9706162, 12524080, 19412324, 24265405, 38824648, 48530810, 77649296, 97061620, 194123240, 388246480]

約数ペア:

[(1, 388246480), (2, 194123240), (4, 97061620), (5, 77649296), (8, 48530810), (10, 38824648), (16, 24265405), (20, 19412324), (31, 12524080), (40, 9706162), (62, 6262040), (80, 4853081), (89, 4362320), (124, 3131020), (155, 2504816), (178, 2181160), (248, 1565510), (310, 1252408), (356, 1090580), (445, 872464), (496, 782755), (620, 626204), (712, 545290), (890, 436232), (1240, 313102), (1424, 272645), (1759, 220720), (1780, 218116), (2480, 156551), (2759, 140720), (3518, 110360), (3560, 109058), (5518, 70360), (7036, 55180), (7120, 54529), (8795, 44144), (11036, 35180), (13795, 28144), (14072, 27590), (17590, 22072)]