71837500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{821}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 179800992

約数和(自身を除く): 107963492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 821, 875, 1250, 1642, 1750, 2500, 3125, 3284, 3500, 4105, 4375, 5747, 6250, 8210, 8750, 11494, 12500, 16420, 17500, 20525, 21875, 22988, 28735, 41050, 43750, 57470, 82100, 87500, 102625, 114940, 143675, 205250, 287350, 410500, 513125, 574700, 718375, 1026250, 1436750, 2052500, 2565625, 2873500, 3591875, 5131250, 7183750, 10262500, 14367500, 17959375, 35918750, 71837500]

約数ペア:

[(1, 71837500), (2, 35918750), (4, 17959375), (5, 14367500), (7, 10262500), (10, 7183750), (14, 5131250), (20, 3591875), (25, 2873500), (28, 2565625), (35, 2052500), (50, 1436750), (70, 1026250), (100, 718375), (125, 574700), (140, 513125), (175, 410500), (250, 287350), (350, 205250), (500, 143675), (625, 114940), (700, 102625), (821, 87500), (875, 82100), (1250, 57470), (1642, 43750), (1750, 41050), (2500, 28735), (3125, 22988), (3284, 21875), (3500, 20525), (4105, 17500), (4375, 16420), (5747, 12500), (6250, 11494), (8210, 8750)]