12855400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 33480000

約数和(自身を除く): 20624600

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 85, 95, 100, 136, 152, 170, 190, 199, 200, 323, 340, 380, 398, 425, 475, 646, 680, 760, 796, 850, 950, 995, 1292, 1592, 1615, 1700, 1900, 1990, 2584, 3230, 3383, 3400, 3781, 3800, 3980, 4975, 6460, 6766, 7562, 7960, 8075, 9950, 12920, 13532, 15124, 16150, 16915, 18905, 19900, 27064, 30248, 32300, 33830, 37810, 39800, 64277, 64600, 67660, 75620, 84575, 94525, 128554, 135320, 151240, 169150, 189050, 257108, 321385, 338300, 378100, 514216, 642770, 676600, 756200, 1285540, 1606925, 2571080, 3213850, 6427700, 12855400]

約数ペア:

[(1, 12855400), (2, 6427700), (4, 3213850), (5, 2571080), (8, 1606925), (10, 1285540), (17, 756200), (19, 676600), (20, 642770), (25, 514216), (34, 378100), (38, 338300), (40, 321385), (50, 257108), (68, 189050), (76, 169150), (85, 151240), (95, 135320), (100, 128554), (136, 94525), (152, 84575), (170, 75620), (190, 67660), (199, 64600), (200, 64277), (323, 39800), (340, 37810), (380, 33830), (398, 32300), (425, 30248), (475, 27064), (646, 19900), (680, 18905), (760, 16915), (796, 16150), (850, 15124), (950, 13532), (995, 12920), (1292, 9950), (1592, 8075), (1615, 7960), (1700, 7562), (1900, 6766), (1990, 6460), (2584, 4975), (3230, 3980), (3383, 3800), (3400, 3781)]