84378700

素因数分解:

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

素因数の和:979

約数の個数: 72

約数和(自身を含む): 210924000

約数和(自身を除く): 126545300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 149, 175, 298, 350, 596, 700, 745, 809, 1043, 1490, 1618, 2086, 2980, 3236, 3725, 4045, 4172, 5215, 5663, 7450, 8090, 10430, 11326, 14900, 16180, 20225, 20860, 22652, 26075, 28315, 40450, 52150, 56630, 80900, 104300, 113260, 120541, 141575, 241082, 283150, 482164, 566300, 602705, 843787, 1205410, 1687574, 2410820, 3013525, 3375148, 4218935, 6027050, 8437870, 12054100, 16875740, 21094675, 42189350, 84378700]

約数ペア:

[(1, 84378700), (2, 42189350), (4, 21094675), (5, 16875740), (7, 12054100), (10, 8437870), (14, 6027050), (20, 4218935), (25, 3375148), (28, 3013525), (35, 2410820), (50, 1687574), (70, 1205410), (100, 843787), (140, 602705), (149, 566300), (175, 482164), (298, 283150), (350, 241082), (596, 141575), (700, 120541), (745, 113260), (809, 104300), (1043, 80900), (1490, 56630), (1618, 52150), (2086, 40450), (2980, 28315), (3236, 26075), (3725, 22652), (4045, 20860), (4172, 20225), (5215, 16180), (5663, 14900), (7450, 11326), (8090, 10430)]