81819500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 207182976

約数和(自身を除く): 125363476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 125, 140, 175, 194, 241, 250, 350, 388, 482, 485, 500, 679, 700, 875, 964, 970, 1205, 1358, 1687, 1750, 1940, 2410, 2425, 2716, 3374, 3395, 3500, 4820, 4850, 6025, 6748, 6790, 8435, 9700, 12050, 12125, 13580, 16870, 16975, 23377, 24100, 24250, 30125, 33740, 33950, 42175, 46754, 48500, 60250, 67900, 84350, 84875, 93508, 116885, 120500, 163639, 168700, 169750, 210875, 233770, 327278, 339500, 421750, 467540, 584425, 654556, 818195, 843500, 1168850, 1636390, 2337700, 2922125, 3272780, 4090975, 5844250, 8181950, 11688500, 16363900, 20454875, 40909750, 81819500]

約数ペア:

[(1, 81819500), (2, 40909750), (4, 20454875), (5, 16363900), (7, 11688500), (10, 8181950), (14, 5844250), (20, 4090975), (25, 3272780), (28, 2922125), (35, 2337700), (50, 1636390), (70, 1168850), (97, 843500), (100, 818195), (125, 654556), (140, 584425), (175, 467540), (194, 421750), (241, 339500), (250, 327278), (350, 233770), (388, 210875), (482, 169750), (485, 168700), (500, 163639), (679, 120500), (700, 116885), (875, 93508), (964, 84875), (970, 84350), (1205, 67900), (1358, 60250), (1687, 48500), (1750, 46754), (1940, 42175), (2410, 33950), (2425, 33740), (2716, 30125), (3374, 24250), (3395, 24100), (3500, 23377), (4820, 16975), (4850, 16870), (6025, 13580), (6748, 12125), (6790, 12050), (8435, 9700)]