218565980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1481}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 472058496

約数和(自身を除く): 253492516

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 157, 188, 235, 314, 470, 628, 785, 940, 1481, 1570, 2962, 3140, 5924, 7379, 7405, 14758, 14810, 29516, 29620, 36895, 69607, 73790, 139214, 147580, 232517, 278428, 348035, 465034, 696070, 930068, 1162585, 1392140, 2325170, 4650340, 10928299, 21856598, 43713196, 54641495, 109282990, 218565980]

約数ペア:

[(1, 218565980), (2, 109282990), (4, 54641495), (5, 43713196), (10, 21856598), (20, 10928299), (47, 4650340), (94, 2325170), (157, 1392140), (188, 1162585), (235, 930068), (314, 696070), (470, 465034), (628, 348035), (785, 278428), (940, 232517), (1481, 147580), (1570, 139214), (2962, 73790), (3140, 69607), (5924, 36895), (7379, 29620), (7405, 29516), (14758, 14810)]