281889200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:355

約数の個数: 120

約数和(自身を含む): 708526080

約数和(自身を除く): 426636880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 127, 155, 179, 200, 248, 254, 310, 358, 400, 496, 508, 620, 635, 716, 775, 895, 1016, 1240, 1270, 1432, 1550, 1790, 2032, 2480, 2540, 2864, 3100, 3175, 3580, 3937, 4475, 5080, 5549, 6200, 6350, 7160, 7874, 8950, 10160, 11098, 12400, 12700, 14320, 15748, 17900, 19685, 22196, 22733, 25400, 27745, 31496, 35800, 39370, 44392, 45466, 50800, 55490, 62992, 71600, 78740, 88784, 90932, 98425, 110980, 113665, 138725, 157480, 181864, 196850, 221960, 227330, 277450, 314960, 363728, 393700, 443920, 454660, 554900, 568325, 704723, 787400, 909320, 1109800, 1136650, 1409446, 1574800, 1818640, 2219600, 2273300, 2818892, 3523615, 4546600, 5637784, 7047230, 9093200, 11275568, 14094460, 17618075, 28188920, 35236150, 56377840, 70472300, 140944600, 281889200]

約数ペア:

[(1, 281889200), (2, 140944600), (4, 70472300), (5, 56377840), (8, 35236150), (10, 28188920), (16, 17618075), (20, 14094460), (25, 11275568), (31, 9093200), (40, 7047230), (50, 5637784), (62, 4546600), (80, 3523615), (100, 2818892), (124, 2273300), (127, 2219600), (155, 1818640), (179, 1574800), (200, 1409446), (248, 1136650), (254, 1109800), (310, 909320), (358, 787400), (400, 704723), (496, 568325), (508, 554900), (620, 454660), (635, 443920), (716, 393700), (775, 363728), (895, 314960), (1016, 277450), (1240, 227330), (1270, 221960), (1432, 196850), (1550, 181864), (1790, 157480), (2032, 138725), (2480, 113665), (2540, 110980), (2864, 98425), (3100, 90932), (3175, 88784), (3580, 78740), (3937, 71600), (4475, 62992), (5080, 55490), (5549, 50800), (6200, 45466), (6350, 44392), (7160, 39370), (7874, 35800), (8950, 31496), (10160, 27745), (11098, 25400), (12400, 22733), (12700, 22196), (14320, 19685), (15748, 17900)]