2019947800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{1297}}^1$

素因数の和:1925

約数の個数: 96

約数和(自身を含む): 5069988000

約数和(自身を除く): 3050040200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 599, 650, 1198, 1297, 1300, 2396, 2594, 2600, 2995, 4792, 5188, 5990, 6485, 7787, 10376, 11980, 12970, 14975, 15574, 16861, 23960, 25940, 29950, 31148, 32425, 33722, 38935, 51880, 59900, 62296, 64850, 67444, 77870, 84305, 119800, 129700, 134888, 155740, 168610, 194675, 259400, 311480, 337220, 389350, 421525, 674440, 776903, 778700, 843050, 1553806, 1557400, 1686100, 3107612, 3372200, 3884515, 6215224, 7769030, 10099739, 15538060, 19422575, 20199478, 31076120, 38845150, 40398956, 50498695, 77690300, 80797912, 100997390, 155380600, 201994780, 252493475, 403989560, 504986950, 1009973900, 2019947800]

約数ペア:

[(1, 2019947800), (2, 1009973900), (4, 504986950), (5, 403989560), (8, 252493475), (10, 201994780), (13, 155380600), (20, 100997390), (25, 80797912), (26, 77690300), (40, 50498695), (50, 40398956), (52, 38845150), (65, 31076120), (100, 20199478), (104, 19422575), (130, 15538060), (200, 10099739), (260, 7769030), (325, 6215224), (520, 3884515), (599, 3372200), (650, 3107612), (1198, 1686100), (1297, 1557400), (1300, 1553806), (2396, 843050), (2594, 778700), (2600, 776903), (2995, 674440), (4792, 421525), (5188, 389350), (5990, 337220), (6485, 311480), (7787, 259400), (10376, 194675), (11980, 168610), (12970, 155740), (14975, 134888), (15574, 129700), (16861, 119800), (23960, 84305), (25940, 77870), (29950, 67444), (31148, 64850), (32425, 62296), (33722, 59900), (38935, 51880)]