489975000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 1574899200

約数和(自身を除く): 1084924200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 47, 50, 60, 75, 94, 100, 120, 125, 139, 141, 150, 188, 200, 235, 250, 278, 282, 300, 375, 376, 417, 470, 500, 556, 564, 600, 625, 695, 705, 750, 834, 940, 1000, 1112, 1128, 1175, 1250, 1390, 1410, 1500, 1668, 1875, 1880, 2085, 2350, 2500, 2780, 2820, 3000, 3125, 3336, 3475, 3525, 3750, 4170, 4700, 5000, 5560, 5640, 5875, 6250, 6533, 6950, 7050, 7500, 8340, 9375, 9400, 10425, 11750, 12500, 13066, 13900, 14100, 15000, 16680, 17375, 17625, 18750, 19599, 20850, 23500, 25000, 26132, 27800, 28200, 29375, 32665, 34750, 35250, 37500, 39198, 41700, 47000, 52125, 52264, 58750, 65330, 69500, 70500, 75000, 78396, 83400, 86875, 88125, 97995, 104250, 117500, 130660, 139000, 141000, 146875, 156792, 163325, 173750, 176250, 195990, 208500, 235000, 260625, 261320, 293750, 326650, 347500, 352500, 391980, 417000, 434375, 440625, 489975, 521250, 587500, 653300, 695000, 705000, 783960, 816625, 868750, 881250, 979950, 1042500, 1175000, 1303125, 1306600, 1633250, 1737500, 1762500, 1959900, 2085000, 2449875, 2606250, 3266500, 3475000, 3525000, 3919800, 4083125, 4899750, 5212500, 6533000, 8166250, 9799500, 10425000, 12249375, 16332500, 19599000, 20415625, 24498750, 32665000, 40831250, 48997500, 61246875, 81662500, 97995000, 122493750, 163325000, 244987500, 489975000]

約数ペア:

[(1, 489975000), (2, 244987500), (3, 163325000), (4, 122493750), (5, 97995000), (6, 81662500), (8, 61246875), (10, 48997500), (12, 40831250), (15, 32665000), (20, 24498750), (24, 20415625), (25, 19599000), (30, 16332500), (40, 12249375), (47, 10425000), (50, 9799500), (60, 8166250), (75, 6533000), (94, 5212500), (100, 4899750), (120, 4083125), (125, 3919800), (139, 3525000), (141, 3475000), (150, 3266500), (188, 2606250), (200, 2449875), (235, 2085000), (250, 1959900), (278, 1762500), (282, 1737500), (300, 1633250), (375, 1306600), (376, 1303125), (417, 1175000), (470, 1042500), (500, 979950), (556, 881250), (564, 868750), (600, 816625), (625, 783960), (695, 705000), (705, 695000), (750, 653300), (834, 587500), (940, 521250), (1000, 489975), (1112, 440625), (1128, 434375), (1175, 417000), (1250, 391980), (1390, 352500), (1410, 347500), (1500, 326650), (1668, 293750), (1875, 261320), (1880, 260625), (2085, 235000), (2350, 208500), (2500, 195990), (2780, 176250), (2820, 173750), (3000, 163325), (3125, 156792), (3336, 146875), (3475, 141000), (3525, 139000), (3750, 130660), (4170, 117500), (4700, 104250), (5000, 97995), (5560, 88125), (5640, 86875), (5875, 83400), (6250, 78396), (6533, 75000), (6950, 70500), (7050, 69500), (7500, 65330), (8340, 58750), (9375, 52264), (9400, 52125), (10425, 47000), (11750, 41700), (12500, 39198), (13066, 37500), (13900, 35250), (14100, 34750), (15000, 32665), (16680, 29375), (17375, 28200), (17625, 27800), (18750, 26132), (19599, 25000), (20850, 23500)]