20190170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2017}}^1$

素因数の和:2055

約数の個数: 64

約数和(自身を含む): 48819456

約数和(自身を除く): 28629286

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2017, 4034, 5005, 10010, 10085, 14119, 20170, 22187, 26221, 28238, 44374, 52442, 70595, 110935, 131105, 141190, 155309, 183547, 221870, 262210, 288431, 310618, 367094, 576862, 776545, 917735, 1442155, 1553090, 1835470, 2019017, 2884310, 4038034, 10095085, 20190170]

約数ペア:

[(1, 20190170), (2, 10095085), (5, 4038034), (7, 2884310), (10, 2019017), (11, 1835470), (13, 1553090), (14, 1442155), (22, 917735), (26, 776545), (35, 576862), (55, 367094), (65, 310618), (70, 288431), (77, 262210), (91, 221870), (110, 183547), (130, 155309), (143, 141190), (154, 131105), (182, 110935), (286, 70595), (385, 52442), (455, 44374), (715, 28238), (770, 26221), (910, 22187), (1001, 20170), (1430, 14119), (2002, 10085), (2017, 10010), (4034, 5005)]