137950000

素因数分解:

$2^4\times 5^5\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 348727680

約数和(自身を除く): 210777680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 89, 100, 124, 125, 155, 178, 200, 248, 250, 310, 356, 400, 445, 496, 500, 620, 625, 712, 775, 890, 1000, 1240, 1250, 1424, 1550, 1780, 2000, 2225, 2480, 2500, 2759, 3100, 3125, 3560, 3875, 4450, 5000, 5518, 6200, 6250, 7120, 7750, 8900, 10000, 11036, 11125, 12400, 12500, 13795, 15500, 17800, 19375, 22072, 22250, 25000, 27590, 31000, 35600, 38750, 44144, 44500, 50000, 55180, 55625, 62000, 68975, 77500, 89000, 96875, 110360, 111250, 137950, 155000, 178000, 193750, 220720, 222500, 275900, 278125, 310000, 344875, 387500, 445000, 551800, 556250, 689750, 775000, 890000, 1103600, 1112500, 1379500, 1550000, 1724375, 2225000, 2759000, 3448750, 4450000, 5518000, 6897500, 8621875, 13795000, 17243750, 27590000, 34487500, 68975000, 137950000]

約数ペア:

[(1, 137950000), (2, 68975000), (4, 34487500), (5, 27590000), (8, 17243750), (10, 13795000), (16, 8621875), (20, 6897500), (25, 5518000), (31, 4450000), (40, 3448750), (50, 2759000), (62, 2225000), (80, 1724375), (89, 1550000), (100, 1379500), (124, 1112500), (125, 1103600), (155, 890000), (178, 775000), (200, 689750), (248, 556250), (250, 551800), (310, 445000), (356, 387500), (400, 344875), (445, 310000), (496, 278125), (500, 275900), (620, 222500), (625, 220720), (712, 193750), (775, 178000), (890, 155000), (1000, 137950), (1240, 111250), (1250, 110360), (1424, 96875), (1550, 89000), (1780, 77500), (2000, 68975), (2225, 62000), (2480, 55625), (2500, 55180), (2759, 50000), (3100, 44500), (3125, 44144), (3560, 38750), (3875, 35600), (4450, 31000), (5000, 27590), (5518, 25000), (6200, 22250), (6250, 22072), (7120, 19375), (7750, 17800), (8900, 15500), (10000, 13795), (11036, 12500), (11125, 12400)]