198425500

素因数分解:

$2^2\times 5^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 550368000

約数和(自身を除く): 351942500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 89, 91, 98, 100, 125, 130, 140, 175, 178, 182, 196, 245, 250, 260, 325, 343, 350, 356, 364, 445, 455, 490, 500, 623, 637, 650, 686, 700, 875, 890, 910, 980, 1157, 1225, 1246, 1274, 1300, 1372, 1625, 1715, 1750, 1780, 1820, 2225, 2275, 2314, 2450, 2492, 2548, 3115, 3185, 3250, 3430, 3500, 4361, 4450, 4459, 4550, 4628, 4900, 5785, 6125, 6230, 6370, 6500, 6860, 8099, 8575, 8722, 8900, 8918, 9100, 11125, 11375, 11570, 12250, 12460, 12740, 15575, 15925, 16198, 17150, 17444, 17836, 21805, 22250, 22295, 22750, 23140, 24500, 28925, 30527, 31150, 31850, 32396, 34300, 40495, 42875, 43610, 44500, 44590, 45500, 56693, 57850, 61054, 62300, 63700, 77875, 79625, 80990, 85750, 87220, 89180, 109025, 111475, 113386, 115700, 122108, 144625, 152635, 155750, 159250, 161980, 171500, 202475, 218050, 222950, 226772, 283465, 289250, 305270, 311500, 318500, 396851, 404950, 436100, 445900, 545125, 557375, 566930, 578500, 610540, 763175, 793702, 809900, 1012375, 1090250, 1114750, 1133860, 1417325, 1526350, 1587404, 1984255, 2024750, 2180500, 2229500, 2834650, 3052700, 3815875, 3968510, 4049500, 5669300, 7086625, 7631750, 7937020, 9921275, 14173250, 15263500, 19842550, 28346500, 39685100, 49606375, 99212750, 198425500]

約数ペア:

[(1, 198425500), (2, 99212750), (4, 49606375), (5, 39685100), (7, 28346500), (10, 19842550), (13, 15263500), (14, 14173250), (20, 9921275), (25, 7937020), (26, 7631750), (28, 7086625), (35, 5669300), (49, 4049500), (50, 3968510), (52, 3815875), (65, 3052700), (70, 2834650), (89, 2229500), (91, 2180500), (98, 2024750), (100, 1984255), (125, 1587404), (130, 1526350), (140, 1417325), (175, 1133860), (178, 1114750), (182, 1090250), (196, 1012375), (245, 809900), (250, 793702), (260, 763175), (325, 610540), (343, 578500), (350, 566930), (356, 557375), (364, 545125), (445, 445900), (455, 436100), (490, 404950), (500, 396851), (623, 318500), (637, 311500), (650, 305270), (686, 289250), (700, 283465), (875, 226772), (890, 222950), (910, 218050), (980, 202475), (1157, 171500), (1225, 161980), (1246, 159250), (1274, 155750), (1300, 152635), (1372, 144625), (1625, 122108), (1715, 115700), (1750, 113386), (1780, 111475), (1820, 109025), (2225, 89180), (2275, 87220), (2314, 85750), (2450, 80990), (2492, 79625), (2548, 77875), (3115, 63700), (3185, 62300), (3250, 61054), (3430, 57850), (3500, 56693), (4361, 45500), (4450, 44590), (4459, 44500), (4550, 43610), (4628, 42875), (4900, 40495), (5785, 34300), (6125, 32396), (6230, 31850), (6370, 31150), (6500, 30527), (6860, 28925), (8099, 24500), (8575, 23140), (8722, 22750), (8900, 22295), (8918, 22250), (9100, 21805), (11125, 17836), (11375, 17444), (11570, 17150), (12250, 16198), (12460, 15925), (12740, 15575)]