1111927720

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{881}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 2533809600

約数和(自身を除く): 1421881880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 227, 278, 454, 556, 695, 881, 908, 1112, 1135, 1390, 1762, 1816, 2270, 2780, 3524, 4405, 4540, 5560, 7048, 8810, 9080, 17620, 31553, 35240, 63106, 122459, 126212, 157765, 199987, 244918, 252424, 315530, 399974, 489836, 612295, 631060, 799948, 979672, 999935, 1224590, 1262120, 1599896, 1999870, 2449180, 3999740, 4898360, 7999480, 27798193, 55596386, 111192772, 138990965, 222385544, 277981930, 555963860, 1111927720]

約数ペア:

[(1, 1111927720), (2, 555963860), (4, 277981930), (5, 222385544), (8, 138990965), (10, 111192772), (20, 55596386), (40, 27798193), (139, 7999480), (227, 4898360), (278, 3999740), (454, 2449180), (556, 1999870), (695, 1599896), (881, 1262120), (908, 1224590), (1112, 999935), (1135, 979672), (1390, 799948), (1762, 631060), (1816, 612295), (2270, 489836), (2780, 399974), (3524, 315530), (4405, 252424), (4540, 244918), (5560, 199987), (7048, 157765), (8810, 126212), (9080, 122459), (17620, 63106), (31553, 35240)]