68975000

素因数分解:

$2^3\times 5^5\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 168739200

約数和(自身を除く): 99764200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 89, 100, 124, 125, 155, 178, 200, 248, 250, 310, 356, 445, 500, 620, 625, 712, 775, 890, 1000, 1240, 1250, 1550, 1780, 2225, 2500, 2759, 3100, 3125, 3560, 3875, 4450, 5000, 5518, 6200, 6250, 7750, 8900, 11036, 11125, 12500, 13795, 15500, 17800, 19375, 22072, 22250, 25000, 27590, 31000, 38750, 44500, 55180, 55625, 68975, 77500, 89000, 96875, 110360, 111250, 137950, 155000, 193750, 222500, 275900, 278125, 344875, 387500, 445000, 551800, 556250, 689750, 775000, 1112500, 1379500, 1724375, 2225000, 2759000, 3448750, 6897500, 8621875, 13795000, 17243750, 34487500, 68975000]

約数ペア:

[(1, 68975000), (2, 34487500), (4, 17243750), (5, 13795000), (8, 8621875), (10, 6897500), (20, 3448750), (25, 2759000), (31, 2225000), (40, 1724375), (50, 1379500), (62, 1112500), (89, 775000), (100, 689750), (124, 556250), (125, 551800), (155, 445000), (178, 387500), (200, 344875), (248, 278125), (250, 275900), (310, 222500), (356, 193750), (445, 155000), (500, 137950), (620, 111250), (625, 110360), (712, 96875), (775, 89000), (890, 77500), (1000, 68975), (1240, 55625), (1250, 55180), (1550, 44500), (1780, 38750), (2225, 31000), (2500, 27590), (2759, 25000), (3100, 22250), (3125, 22072), (3560, 19375), (3875, 17800), (4450, 15500), (5000, 13795), (5518, 12500), (6200, 11125), (6250, 11036), (7750, 8900)]