138910870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1669}}^1$

素因数の和:1753

約数の個数: 64

約数和(自身を含む): 303004800

約数和(自身を除く): 164093930

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 41, 58, 70, 82, 145, 203, 205, 287, 290, 406, 410, 574, 1015, 1189, 1435, 1669, 2030, 2378, 2870, 3338, 5945, 8323, 8345, 11683, 11890, 16646, 16690, 23366, 41615, 48401, 58415, 68429, 83230, 96802, 116830, 136858, 242005, 338807, 342145, 479003, 484010, 677614, 684290, 958006, 1694035, 1984441, 2395015, 3388070, 3968882, 4790030, 9922205, 13891087, 19844410, 27782174, 69455435, 138910870]

約数ペア:

[(1, 138910870), (2, 69455435), (5, 27782174), (7, 19844410), (10, 13891087), (14, 9922205), (29, 4790030), (35, 3968882), (41, 3388070), (58, 2395015), (70, 1984441), (82, 1694035), (145, 958006), (203, 684290), (205, 677614), (287, 484010), (290, 479003), (406, 342145), (410, 338807), (574, 242005), (1015, 136858), (1189, 116830), (1435, 96802), (1669, 83230), (2030, 68429), (2378, 58415), (2870, 48401), (3338, 41615), (5945, 23366), (8323, 16690), (8345, 16646), (11683, 11890)]