28640500

素因数分解:

$2^2\times 5^3\times 7^3\times {\mathrm{167}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 73382400

約数和(自身を除く): 44741900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 167, 175, 196, 245, 250, 334, 343, 350, 490, 500, 668, 686, 700, 835, 875, 980, 1169, 1225, 1372, 1670, 1715, 1750, 2338, 2450, 3340, 3430, 3500, 4175, 4676, 4900, 5845, 6125, 6860, 8183, 8350, 8575, 11690, 12250, 16366, 16700, 17150, 20875, 23380, 24500, 29225, 32732, 34300, 40915, 41750, 42875, 57281, 58450, 81830, 83500, 85750, 114562, 116900, 146125, 163660, 171500, 204575, 229124, 286405, 292250, 409150, 572810, 584500, 818300, 1022875, 1145620, 1432025, 2045750, 2864050, 4091500, 5728100, 7160125, 14320250, 28640500]

約数ペア:

[(1, 28640500), (2, 14320250), (4, 7160125), (5, 5728100), (7, 4091500), (10, 2864050), (14, 2045750), (20, 1432025), (25, 1145620), (28, 1022875), (35, 818300), (49, 584500), (50, 572810), (70, 409150), (98, 292250), (100, 286405), (125, 229124), (140, 204575), (167, 171500), (175, 163660), (196, 146125), (245, 116900), (250, 114562), (334, 85750), (343, 83500), (350, 81830), (490, 58450), (500, 57281), (668, 42875), (686, 41750), (700, 40915), (835, 34300), (875, 32732), (980, 29225), (1169, 24500), (1225, 23380), (1372, 20875), (1670, 17150), (1715, 16700), (1750, 16366), (2338, 12250), (2450, 11690), (3340, 8575), (3430, 8350), (3500, 8183), (4175, 6860), (4676, 6125), (4900, 5845)]