54048400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 150684800

約数和(自身を除く): 96636400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 97, 100, 112, 140, 175, 194, 199, 200, 280, 350, 388, 398, 400, 485, 560, 679, 700, 776, 796, 970, 995, 1358, 1393, 1400, 1552, 1592, 1940, 1990, 2425, 2716, 2786, 2800, 3184, 3395, 3880, 3980, 4850, 4975, 5432, 5572, 6790, 6965, 7760, 7960, 9700, 9950, 10864, 11144, 13580, 13930, 15920, 16975, 19303, 19400, 19900, 22288, 27160, 27860, 33950, 34825, 38606, 38800, 39800, 54320, 55720, 67900, 69650, 77212, 79600, 96515, 111440, 135121, 135800, 139300, 154424, 193030, 270242, 271600, 278600, 308848, 386060, 482575, 540484, 557200, 675605, 772120, 965150, 1080968, 1351210, 1544240, 1930300, 2161936, 2702420, 3378025, 3860600, 5404840, 6756050, 7721200, 10809680, 13512100, 27024200, 54048400]

約数ペア:

[(1, 54048400), (2, 27024200), (4, 13512100), (5, 10809680), (7, 7721200), (8, 6756050), (10, 5404840), (14, 3860600), (16, 3378025), (20, 2702420), (25, 2161936), (28, 1930300), (35, 1544240), (40, 1351210), (50, 1080968), (56, 965150), (70, 772120), (80, 675605), (97, 557200), (100, 540484), (112, 482575), (140, 386060), (175, 308848), (194, 278600), (199, 271600), (200, 270242), (280, 193030), (350, 154424), (388, 139300), (398, 135800), (400, 135121), (485, 111440), (560, 96515), (679, 79600), (700, 77212), (776, 69650), (796, 67900), (970, 55720), (995, 54320), (1358, 39800), (1393, 38800), (1400, 38606), (1552, 34825), (1592, 33950), (1940, 27860), (1990, 27160), (2425, 22288), (2716, 19900), (2786, 19400), (2800, 19303), (3184, 16975), (3395, 15920), (3880, 13930), (3980, 13580), (4850, 11144), (4975, 10864), (5432, 9950), (5572, 9700), (6790, 7960), (6965, 7760)]