2840800

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 7171416

約数和(自身を除く): 4330616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 67, 80, 100, 106, 134, 160, 200, 212, 265, 268, 335, 400, 424, 530, 536, 670, 800, 848, 1060, 1072, 1325, 1340, 1675, 1696, 2120, 2144, 2650, 2680, 3350, 3551, 4240, 5300, 5360, 6700, 7102, 8480, 10600, 10720, 13400, 14204, 17755, 21200, 26800, 28408, 35510, 42400, 53600, 56816, 71020, 88775, 113632, 142040, 177550, 284080, 355100, 568160, 710200, 1420400, 2840800]

約数ペア:

[(1, 2840800), (2, 1420400), (4, 710200), (5, 568160), (8, 355100), (10, 284080), (16, 177550), (20, 142040), (25, 113632), (32, 88775), (40, 71020), (50, 56816), (53, 53600), (67, 42400), (80, 35510), (100, 28408), (106, 26800), (134, 21200), (160, 17755), (200, 14204), (212, 13400), (265, 10720), (268, 10600), (335, 8480), (400, 7102), (424, 6700), (530, 5360), (536, 5300), (670, 4240), (800, 3551), (848, 3350), (1060, 2680), (1072, 2650), (1325, 2144), (1340, 2120), (1675, 1696)]