309190000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{631}}^1$

素因数の和:673

約数の個数: 150

約数和(自身を含む): 872177064

約数和(自身を除く): 562987064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 625, 631, 700, 784, 875, 980, 1000, 1225, 1250, 1262, 1400, 1750, 1960, 2000, 2450, 2500, 2524, 2800, 3155, 3500, 3920, 4375, 4417, 4900, 5000, 5048, 6125, 6310, 7000, 8750, 8834, 9800, 10000, 10096, 12250, 12620, 14000, 15775, 17500, 17668, 19600, 22085, 24500, 25240, 30625, 30919, 31550, 35000, 35336, 44170, 49000, 50480, 61250, 61838, 63100, 70000, 70672, 78875, 88340, 98000, 110425, 122500, 123676, 126200, 154595, 157750, 176680, 220850, 245000, 247352, 252400, 309190, 315500, 353360, 394375, 441700, 490000, 494704, 552125, 618380, 631000, 772975, 788750, 883400, 1104250, 1236760, 1262000, 1545950, 1577500, 1766800, 2208500, 2473520, 2760625, 3091900, 3155000, 3864875, 4417000, 5521250, 6183800, 6310000, 7729750, 8834000, 11042500, 12367600, 15459500, 19324375, 22085000, 30919000, 38648750, 44170000, 61838000, 77297500, 154595000, 309190000]

約数ペア:

[(1, 309190000), (2, 154595000), (4, 77297500), (5, 61838000), (7, 44170000), (8, 38648750), (10, 30919000), (14, 22085000), (16, 19324375), (20, 15459500), (25, 12367600), (28, 11042500), (35, 8834000), (40, 7729750), (49, 6310000), (50, 6183800), (56, 5521250), (70, 4417000), (80, 3864875), (98, 3155000), (100, 3091900), (112, 2760625), (125, 2473520), (140, 2208500), (175, 1766800), (196, 1577500), (200, 1545950), (245, 1262000), (250, 1236760), (280, 1104250), (350, 883400), (392, 788750), (400, 772975), (490, 631000), (500, 618380), (560, 552125), (625, 494704), (631, 490000), (700, 441700), (784, 394375), (875, 353360), (980, 315500), (1000, 309190), (1225, 252400), (1250, 247352), (1262, 245000), (1400, 220850), (1750, 176680), (1960, 157750), (2000, 154595), (2450, 126200), (2500, 123676), (2524, 122500), (2800, 110425), (3155, 98000), (3500, 88340), (3920, 78875), (4375, 70672), (4417, 70000), (4900, 63100), (5000, 61838), (5048, 61250), (6125, 50480), (6310, 49000), (7000, 44170), (8750, 35336), (8834, 35000), (9800, 31550), (10000, 30919), (10096, 30625), (12250, 25240), (12620, 24500), (14000, 22085), (15775, 19600), (17500, 17668)]