1001660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 2388960

約数和(自身を除く): 1387300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 157, 220, 290, 314, 319, 580, 628, 638, 785, 1276, 1570, 1595, 1727, 3140, 3190, 3454, 4553, 6380, 6908, 8635, 9106, 17270, 18212, 22765, 34540, 45530, 50083, 91060, 100166, 200332, 250415, 500830, 1001660]

約数ペア:

[(1, 1001660), (2, 500830), (4, 250415), (5, 200332), (10, 100166), (11, 91060), (20, 50083), (22, 45530), (29, 34540), (44, 22765), (55, 18212), (58, 17270), (110, 9106), (116, 8635), (145, 6908), (157, 6380), (220, 4553), (290, 3454), (314, 3190), (319, 3140), (580, 1727), (628, 1595), (638, 1570), (785, 1276)]