78547000

素因数分解:

$2^3\times 5^3\times 7^3\times {\mathrm{229}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 215280000

約数和(自身を除く): 136733000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 229, 245, 250, 280, 343, 350, 392, 458, 490, 500, 686, 700, 875, 916, 980, 1000, 1145, 1225, 1372, 1400, 1603, 1715, 1750, 1832, 1960, 2290, 2450, 2744, 3206, 3430, 3500, 4580, 4900, 5725, 6125, 6412, 6860, 7000, 8015, 8575, 9160, 9800, 11221, 11450, 12250, 12824, 13720, 16030, 17150, 22442, 22900, 24500, 28625, 32060, 34300, 40075, 42875, 44884, 45800, 49000, 56105, 57250, 64120, 68600, 78547, 80150, 85750, 89768, 112210, 114500, 157094, 160300, 171500, 200375, 224420, 229000, 280525, 314188, 320600, 343000, 392735, 400750, 448840, 561050, 628376, 785470, 801500, 1122100, 1402625, 1570940, 1603000, 1963675, 2244200, 2805250, 3141880, 3927350, 5610500, 7854700, 9818375, 11221000, 15709400, 19636750, 39273500, 78547000]

約数ペア:

[(1, 78547000), (2, 39273500), (4, 19636750), (5, 15709400), (7, 11221000), (8, 9818375), (10, 7854700), (14, 5610500), (20, 3927350), (25, 3141880), (28, 2805250), (35, 2244200), (40, 1963675), (49, 1603000), (50, 1570940), (56, 1402625), (70, 1122100), (98, 801500), (100, 785470), (125, 628376), (140, 561050), (175, 448840), (196, 400750), (200, 392735), (229, 343000), (245, 320600), (250, 314188), (280, 280525), (343, 229000), (350, 224420), (392, 200375), (458, 171500), (490, 160300), (500, 157094), (686, 114500), (700, 112210), (875, 89768), (916, 85750), (980, 80150), (1000, 78547), (1145, 68600), (1225, 64120), (1372, 57250), (1400, 56105), (1603, 49000), (1715, 45800), (1750, 44884), (1832, 42875), (1960, 40075), (2290, 34300), (2450, 32060), (2744, 28625), (3206, 24500), (3430, 22900), (3500, 22442), (4580, 17150), (4900, 16030), (5725, 13720), (6125, 12824), (6412, 12250), (6860, 11450), (7000, 11221), (8015, 9800), (8575, 9160)]