231750640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{677}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 590185440

約数和(自身を除く): 358434800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 389, 440, 677, 778, 880, 1354, 1556, 1945, 2708, 3112, 3385, 3890, 4279, 5416, 6224, 6770, 7447, 7780, 8558, 10832, 13540, 14894, 15560, 17116, 21395, 27080, 29788, 31120, 34232, 37235, 42790, 54160, 59576, 68464, 74470, 85580, 119152, 148940, 171160, 263353, 297880, 342320, 526706, 595760, 1053412, 1316765, 2106824, 2633530, 2896883, 4213648, 5267060, 5793766, 10534120, 11587532, 14484415, 21068240, 23175064, 28968830, 46350128, 57937660, 115875320, 231750640]

約数ペア:

[(1, 231750640), (2, 115875320), (4, 57937660), (5, 46350128), (8, 28968830), (10, 23175064), (11, 21068240), (16, 14484415), (20, 11587532), (22, 10534120), (40, 5793766), (44, 5267060), (55, 4213648), (80, 2896883), (88, 2633530), (110, 2106824), (176, 1316765), (220, 1053412), (389, 595760), (440, 526706), (677, 342320), (778, 297880), (880, 263353), (1354, 171160), (1556, 148940), (1945, 119152), (2708, 85580), (3112, 74470), (3385, 68464), (3890, 59576), (4279, 54160), (5416, 42790), (6224, 37235), (6770, 34232), (7447, 31120), (7780, 29788), (8558, 27080), (10832, 21395), (13540, 17116), (14894, 15560)]