250773040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1039}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 668528640

約数和(自身を除く): 417755600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 431, 560, 862, 1039, 1724, 2078, 2155, 3017, 3448, 4156, 4310, 5195, 6034, 6896, 7273, 8312, 8620, 10390, 12068, 14546, 15085, 16624, 17240, 20780, 24136, 29092, 30170, 34480, 36365, 41560, 48272, 58184, 60340, 72730, 83120, 116368, 120680, 145460, 241360, 290920, 447809, 581840, 895618, 1791236, 2239045, 3134663, 3582472, 4478090, 6269326, 7164944, 8956180, 12538652, 15673315, 17912360, 25077304, 31346630, 35824720, 50154608, 62693260, 125386520, 250773040]

約数ペア:

[(1, 250773040), (2, 125386520), (4, 62693260), (5, 50154608), (7, 35824720), (8, 31346630), (10, 25077304), (14, 17912360), (16, 15673315), (20, 12538652), (28, 8956180), (35, 7164944), (40, 6269326), (56, 4478090), (70, 3582472), (80, 3134663), (112, 2239045), (140, 1791236), (280, 895618), (431, 581840), (560, 447809), (862, 290920), (1039, 241360), (1724, 145460), (2078, 120680), (2155, 116368), (3017, 83120), (3448, 72730), (4156, 60340), (4310, 58184), (5195, 48272), (6034, 41560), (6896, 36365), (7273, 34480), (8312, 30170), (8620, 29092), (10390, 24136), (12068, 20780), (14546, 17240), (15085, 16624)]