51421600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 140616000

約数和(自身を除く): 89194400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 152, 160, 170, 190, 199, 200, 272, 304, 323, 340, 380, 398, 400, 425, 475, 544, 608, 646, 680, 760, 796, 800, 850, 950, 995, 1292, 1360, 1520, 1592, 1615, 1700, 1900, 1990, 2584, 2720, 3040, 3184, 3230, 3383, 3400, 3781, 3800, 3980, 4975, 5168, 6368, 6460, 6766, 6800, 7562, 7600, 7960, 8075, 9950, 10336, 12920, 13532, 13600, 15124, 15200, 15920, 16150, 16915, 18905, 19900, 25840, 27064, 30248, 31840, 32300, 33830, 37810, 39800, 51680, 54128, 60496, 64277, 64600, 67660, 75620, 79600, 84575, 94525, 108256, 120992, 128554, 129200, 135320, 151240, 159200, 169150, 189050, 257108, 258400, 270640, 302480, 321385, 338300, 378100, 514216, 541280, 604960, 642770, 676600, 756200, 1028432, 1285540, 1353200, 1512400, 1606925, 2056864, 2571080, 2706400, 3024800, 3213850, 5142160, 6427700, 10284320, 12855400, 25710800, 51421600]

約数ペア:

[(1, 51421600), (2, 25710800), (4, 12855400), (5, 10284320), (8, 6427700), (10, 5142160), (16, 3213850), (17, 3024800), (19, 2706400), (20, 2571080), (25, 2056864), (32, 1606925), (34, 1512400), (38, 1353200), (40, 1285540), (50, 1028432), (68, 756200), (76, 676600), (80, 642770), (85, 604960), (95, 541280), (100, 514216), (136, 378100), (152, 338300), (160, 321385), (170, 302480), (190, 270640), (199, 258400), (200, 257108), (272, 189050), (304, 169150), (323, 159200), (340, 151240), (380, 135320), (398, 129200), (400, 128554), (425, 120992), (475, 108256), (544, 94525), (608, 84575), (646, 79600), (680, 75620), (760, 67660), (796, 64600), (800, 64277), (850, 60496), (950, 54128), (995, 51680), (1292, 39800), (1360, 37810), (1520, 33830), (1592, 32300), (1615, 31840), (1700, 30248), (1900, 27064), (1990, 25840), (2584, 19900), (2720, 18905), (3040, 16915), (3184, 16150), (3230, 15920), (3383, 15200), (3400, 15124), (3781, 13600), (3800, 13532), (3980, 12920), (4975, 10336), (5168, 9950), (6368, 8075), (6460, 7960), (6766, 7600), (6800, 7562)]