209833400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2205

約数の個数: 96

約数和(自身を含む): 565678080

約数和(自身を除く): 355844680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 284, 350, 355, 497, 568, 700, 710, 994, 1400, 1420, 1775, 1988, 2111, 2485, 2840, 3550, 3976, 4222, 4970, 7100, 8444, 9940, 10555, 12425, 14200, 14777, 16888, 19880, 21110, 24850, 29554, 42220, 49700, 52775, 59108, 73885, 84440, 99400, 105550, 118216, 147770, 149881, 211100, 295540, 299762, 369425, 422200, 591080, 599524, 738850, 749405, 1049167, 1199048, 1477700, 1498810, 2098334, 2955400, 2997620, 3747025, 4196668, 5245835, 5995240, 7494050, 8393336, 10491670, 14988100, 20983340, 26229175, 29976200, 41966680, 52458350, 104916700, 209833400]

約数ペア:

[(1, 209833400), (2, 104916700), (4, 52458350), (5, 41966680), (7, 29976200), (8, 26229175), (10, 20983340), (14, 14988100), (20, 10491670), (25, 8393336), (28, 7494050), (35, 5995240), (40, 5245835), (50, 4196668), (56, 3747025), (70, 2997620), (71, 2955400), (100, 2098334), (140, 1498810), (142, 1477700), (175, 1199048), (200, 1049167), (280, 749405), (284, 738850), (350, 599524), (355, 591080), (497, 422200), (568, 369425), (700, 299762), (710, 295540), (994, 211100), (1400, 149881), (1420, 147770), (1775, 118216), (1988, 105550), (2111, 99400), (2485, 84440), (2840, 73885), (3550, 59108), (3976, 52775), (4222, 49700), (4970, 42220), (7100, 29554), (8444, 24850), (9940, 21110), (10555, 19880), (12425, 16888), (14200, 14777)]