11989180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2953}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 29776320

約数和(自身を除く): 17787140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2953, 4060, 5906, 11812, 14765, 20671, 29530, 41342, 59060, 82684, 85637, 103355, 171274, 206710, 342548, 413420, 428185, 599459, 856370, 1198918, 1712740, 2397836, 2997295, 5994590, 11989180]

約数ペア:

[(1, 11989180), (2, 5994590), (4, 2997295), (5, 2397836), (7, 1712740), (10, 1198918), (14, 856370), (20, 599459), (28, 428185), (29, 413420), (35, 342548), (58, 206710), (70, 171274), (116, 103355), (140, 85637), (145, 82684), (203, 59060), (290, 41342), (406, 29530), (580, 20671), (812, 14765), (1015, 11812), (2030, 5906), (2953, 4060)]