172411700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 398099520

約数和(自身を除く): 225687820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 103, 190, 206, 380, 412, 475, 515, 881, 950, 1030, 1762, 1900, 1957, 2060, 2575, 3524, 3914, 4405, 5150, 7828, 8810, 9785, 10300, 16739, 17620, 19570, 22025, 33478, 39140, 44050, 48925, 66956, 83695, 88100, 90743, 97850, 167390, 181486, 195700, 334780, 362972, 418475, 453715, 836950, 907430, 1673900, 1724117, 1814860, 2268575, 3448234, 4537150, 6896468, 8620585, 9074300, 17241170, 34482340, 43102925, 86205850, 172411700]

約数ペア:

[(1, 172411700), (2, 86205850), (4, 43102925), (5, 34482340), (10, 17241170), (19, 9074300), (20, 8620585), (25, 6896468), (38, 4537150), (50, 3448234), (76, 2268575), (95, 1814860), (100, 1724117), (103, 1673900), (190, 907430), (206, 836950), (380, 453715), (412, 418475), (475, 362972), (515, 334780), (881, 195700), (950, 181486), (1030, 167390), (1762, 97850), (1900, 90743), (1957, 88100), (2060, 83695), (2575, 66956), (3524, 48925), (3914, 44050), (4405, 39140), (5150, 33478), (7828, 22025), (8810, 19570), (9785, 17620), (10300, 16739)]