42531025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 61603200

約数和(自身を除く): 19072175

約数列:

[1, 5, 17, 19, 23, 25, 85, 95, 115, 229, 323, 391, 425, 437, 475, 575, 1145, 1615, 1955, 2185, 3893, 4351, 5267, 5725, 7429, 8075, 9775, 10925, 19465, 21755, 26335, 37145, 73967, 89539, 97325, 100073, 108775, 131675, 185725, 369835, 447695, 500365, 1701241, 1849175, 2238475, 2501825, 8506205, 42531025]

約数ペア:

[(1, 42531025), (5, 8506205), (17, 2501825), (19, 2238475), (23, 1849175), (25, 1701241), (85, 500365), (95, 447695), (115, 369835), (229, 185725), (323, 131675), (391, 108775), (425, 100073), (437, 97325), (475, 89539), (575, 73967), (1145, 37145), (1615, 26335), (1955, 21755), (2185, 19465), (3893, 10925), (4351, 9775), (5267, 8075), (5725, 7429)]