998146520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1039}}^1$

素因数の和:1177

約数の個数: 128

約数和(自身を含む): 2659737600

約数和(自身を除く): 1661591080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 73, 94, 140, 146, 188, 235, 280, 292, 329, 365, 376, 470, 511, 584, 658, 730, 940, 1022, 1039, 1316, 1460, 1645, 1880, 2044, 2078, 2555, 2632, 2920, 3290, 3431, 4088, 4156, 5110, 5195, 6580, 6862, 7273, 8312, 10220, 10390, 13160, 13724, 14546, 17155, 20440, 20780, 24017, 27448, 29092, 34310, 36365, 41560, 48034, 48833, 58184, 68620, 72730, 75847, 96068, 97666, 120085, 137240, 145460, 151694, 192136, 195332, 240170, 244165, 290920, 303388, 341831, 379235, 390664, 480340, 488330, 530929, 606776, 683662, 758470, 960680, 976660, 1061858, 1367324, 1516940, 1709155, 1953320, 2123716, 2654645, 2734648, 3033880, 3418310, 3564809, 4247432, 5309290, 6836620, 7129618, 10618580, 13673240, 14259236, 17824045, 21237160, 24953663, 28518472, 35648090, 49907326, 71296180, 99814652, 124768315, 142592360, 199629304, 249536630, 499073260, 998146520]

約数ペア:

[(1, 998146520), (2, 499073260), (4, 249536630), (5, 199629304), (7, 142592360), (8, 124768315), (10, 99814652), (14, 71296180), (20, 49907326), (28, 35648090), (35, 28518472), (40, 24953663), (47, 21237160), (56, 17824045), (70, 14259236), (73, 13673240), (94, 10618580), (140, 7129618), (146, 6836620), (188, 5309290), (235, 4247432), (280, 3564809), (292, 3418310), (329, 3033880), (365, 2734648), (376, 2654645), (470, 2123716), (511, 1953320), (584, 1709155), (658, 1516940), (730, 1367324), (940, 1061858), (1022, 976660), (1039, 960680), (1316, 758470), (1460, 683662), (1645, 606776), (1880, 530929), (2044, 488330), (2078, 480340), (2555, 390664), (2632, 379235), (2920, 341831), (3290, 303388), (3431, 290920), (4088, 244165), (4156, 240170), (5110, 195332), (5195, 192136), (6580, 151694), (6862, 145460), (7273, 137240), (8312, 120085), (10220, 97666), (10390, 96068), (13160, 75847), (13724, 72730), (14546, 68620), (17155, 58184), (20440, 48833), (20780, 48034), (24017, 41560), (27448, 36365), (29092, 34310)]