2443400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 5989200

約数和(自身を除く): 3545800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 643, 760, 950, 1286, 1900, 2572, 3215, 3800, 5144, 6430, 12217, 12860, 16075, 24434, 25720, 32150, 48868, 61085, 64300, 97736, 122170, 128600, 244340, 305425, 488680, 610850, 1221700, 2443400]

約数ペア:

[(1, 2443400), (2, 1221700), (4, 610850), (5, 488680), (8, 305425), (10, 244340), (19, 128600), (20, 122170), (25, 97736), (38, 64300), (40, 61085), (50, 48868), (76, 32150), (95, 25720), (100, 24434), (152, 16075), (190, 12860), (200, 12217), (380, 6430), (475, 5144), (643, 3800), (760, 3215), (950, 2572), (1286, 1900)]