1988400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{1657}}^1$

素因数の和:1678

約数の個数: 60

約数和(自身を含む): 6373352

約数和(自身を除く): 4384952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 1657, 3314, 4971, 6628, 8285, 9942, 13256, 16570, 19884, 24855, 26512, 33140, 39768, 41425, 49710, 66280, 79536, 82850, 99420, 124275, 132560, 165700, 198840, 248550, 331400, 397680, 497100, 662800, 994200, 1988400]

約数ペア:

[(1, 1988400), (2, 994200), (3, 662800), (4, 497100), (5, 397680), (6, 331400), (8, 248550), (10, 198840), (12, 165700), (15, 132560), (16, 124275), (20, 99420), (24, 82850), (25, 79536), (30, 66280), (40, 49710), (48, 41425), (50, 39768), (60, 33140), (75, 26512), (80, 24855), (100, 19884), (120, 16570), (150, 13256), (200, 9942), (240, 8285), (300, 6628), (400, 4971), (600, 3314), (1200, 1657)]