168757400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 451980000

約数和(自身を除く): 283222600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 149, 175, 200, 280, 298, 350, 596, 700, 745, 809, 1043, 1192, 1400, 1490, 1618, 2086, 2980, 3236, 3725, 4045, 4172, 5215, 5663, 5960, 6472, 7450, 8090, 8344, 10430, 11326, 14900, 16180, 20225, 20860, 22652, 26075, 28315, 29800, 32360, 40450, 41720, 45304, 52150, 56630, 80900, 104300, 113260, 120541, 141575, 161800, 208600, 226520, 241082, 283150, 482164, 566300, 602705, 843787, 964328, 1132600, 1205410, 1687574, 2410820, 3013525, 3375148, 4218935, 4821640, 6027050, 6750296, 8437870, 12054100, 16875740, 21094675, 24108200, 33751480, 42189350, 84378700, 168757400]

約数ペア:

[(1, 168757400), (2, 84378700), (4, 42189350), (5, 33751480), (7, 24108200), (8, 21094675), (10, 16875740), (14, 12054100), (20, 8437870), (25, 6750296), (28, 6027050), (35, 4821640), (40, 4218935), (50, 3375148), (56, 3013525), (70, 2410820), (100, 1687574), (140, 1205410), (149, 1132600), (175, 964328), (200, 843787), (280, 602705), (298, 566300), (350, 482164), (596, 283150), (700, 241082), (745, 226520), (809, 208600), (1043, 161800), (1192, 141575), (1400, 120541), (1490, 113260), (1618, 104300), (2086, 80900), (2980, 56630), (3236, 52150), (3725, 45304), (4045, 41720), (4172, 40450), (5215, 32360), (5663, 29800), (5960, 28315), (6472, 26075), (7450, 22652), (8090, 20860), (8344, 20225), (10430, 16180), (11326, 14900)]