2155979000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{643}}^1$

素因数の和:1150

約数の個数: 128

約数和(自身を含む): 5786726400

約数和(自身を除く): 3630747400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 479, 500, 643, 700, 875, 958, 1000, 1286, 1400, 1750, 1916, 2395, 2572, 3215, 3353, 3500, 3832, 4501, 4790, 5144, 6430, 6706, 7000, 9002, 9580, 11975, 12860, 13412, 16075, 16765, 18004, 19160, 22505, 23950, 25720, 26824, 32150, 33530, 36008, 45010, 47900, 59875, 64300, 67060, 80375, 83825, 90020, 95800, 112525, 119750, 128600, 134120, 160750, 167650, 180040, 225050, 239500, 307997, 321500, 335300, 419125, 450100, 479000, 562625, 615994, 643000, 670600, 838250, 900200, 1125250, 1231988, 1539985, 1676500, 2155979, 2250500, 2463976, 3079970, 3353000, 4311958, 4501000, 6159940, 7699925, 8623916, 10779895, 12319880, 15399850, 17247832, 21559790, 30799700, 38499625, 43119580, 53899475, 61599400, 76999250, 86239160, 107798950, 153998500, 215597900, 269497375, 307997000, 431195800, 538994750, 1077989500, 2155979000]

約数ペア:

[(1, 2155979000), (2, 1077989500), (4, 538994750), (5, 431195800), (7, 307997000), (8, 269497375), (10, 215597900), (14, 153998500), (20, 107798950), (25, 86239160), (28, 76999250), (35, 61599400), (40, 53899475), (50, 43119580), (56, 38499625), (70, 30799700), (100, 21559790), (125, 17247832), (140, 15399850), (175, 12319880), (200, 10779895), (250, 8623916), (280, 7699925), (350, 6159940), (479, 4501000), (500, 4311958), (643, 3353000), (700, 3079970), (875, 2463976), (958, 2250500), (1000, 2155979), (1286, 1676500), (1400, 1539985), (1750, 1231988), (1916, 1125250), (2395, 900200), (2572, 838250), (3215, 670600), (3353, 643000), (3500, 615994), (3832, 562625), (4501, 479000), (4790, 450100), (5144, 419125), (6430, 335300), (6706, 321500), (7000, 307997), (9002, 239500), (9580, 225050), (11975, 180040), (12860, 167650), (13412, 160750), (16075, 134120), (16765, 128600), (18004, 119750), (19160, 112525), (22505, 95800), (23950, 90020), (25720, 83825), (26824, 80375), (32150, 67060), (33530, 64300), (36008, 59875), (45010, 47900)]