4259140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 9580032

約数和(自身を除く): 5320892

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 197, 230, 235, 394, 460, 470, 788, 940, 985, 1081, 1970, 2162, 3940, 4324, 4531, 5405, 9062, 9259, 10810, 18124, 18518, 21620, 22655, 37036, 45310, 46295, 90620, 92590, 185180, 212957, 425914, 851828, 1064785, 2129570, 4259140]

約数ペア:

[(1, 4259140), (2, 2129570), (4, 1064785), (5, 851828), (10, 425914), (20, 212957), (23, 185180), (46, 92590), (47, 90620), (92, 46295), (94, 45310), (115, 37036), (188, 22655), (197, 21620), (230, 18518), (235, 18124), (394, 10810), (460, 9259), (470, 9062), (788, 5405), (940, 4531), (985, 4324), (1081, 3940), (1970, 2162)]