1997424400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{262819}}^1$

素因数の和:262856

約数の個数: 60

約数和(自身を含む): 5051400400

約数和(自身を除く): 3053976000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 262819, 525638, 1051276, 1314095, 2102552, 2628190, 4205104, 4993561, 5256380, 6570475, 9987122, 10512760, 13140950, 19974244, 21025520, 24967805, 26281900, 39948488, 49935610, 52563800, 79896976, 99871220, 105127600, 124839025, 199742440, 249678050, 399484880, 499356100, 998712200, 1997424400]

約数ペア:

[(1, 1997424400), (2, 998712200), (4, 499356100), (5, 399484880), (8, 249678050), (10, 199742440), (16, 124839025), (19, 105127600), (20, 99871220), (25, 79896976), (38, 52563800), (40, 49935610), (50, 39948488), (76, 26281900), (80, 24967805), (95, 21025520), (100, 19974244), (152, 13140950), (190, 10512760), (200, 9987122), (304, 6570475), (380, 5256380), (400, 4993561), (475, 4205104), (760, 2628190), (950, 2102552), (1520, 1314095), (1900, 1051276), (3800, 525638), (7600, 262819)]