17840060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2089}}^1$

素因数の和:2166

約数の個数: 48

約数和(自身を含む): 43538880

約数和(自身を除く): 25698820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2089, 2135, 4178, 4270, 8356, 8540, 10445, 14623, 20890, 29246, 41780, 58492, 73115, 127429, 146230, 254858, 292460, 509716, 637145, 892003, 1274290, 1784006, 2548580, 3568012, 4460015, 8920030, 17840060]

約数ペア:

[(1, 17840060), (2, 8920030), (4, 4460015), (5, 3568012), (7, 2548580), (10, 1784006), (14, 1274290), (20, 892003), (28, 637145), (35, 509716), (61, 292460), (70, 254858), (122, 146230), (140, 127429), (244, 73115), (305, 58492), (427, 41780), (610, 29246), (854, 20890), (1220, 14623), (1708, 10445), (2089, 8540), (2135, 8356), (4178, 4270)]