138721870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2785

約数の個数: 64

約数和(自身を含む): 309298176

約数和(自身を除く): 170576306

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 43, 70, 85, 86, 119, 170, 215, 238, 301, 430, 595, 602, 731, 1190, 1462, 1505, 2711, 3010, 3655, 5117, 5422, 7310, 10234, 13555, 18977, 25585, 27110, 37954, 46087, 51170, 92174, 94885, 116573, 189770, 230435, 233146, 322609, 460870, 582865, 645218, 816011, 1165730, 1613045, 1632022, 1981741, 3226090, 3963482, 4080055, 8160110, 9908705, 13872187, 19817410, 27744374, 69360935, 138721870]

約数ペア:

[(1, 138721870), (2, 69360935), (5, 27744374), (7, 19817410), (10, 13872187), (14, 9908705), (17, 8160110), (34, 4080055), (35, 3963482), (43, 3226090), (70, 1981741), (85, 1632022), (86, 1613045), (119, 1165730), (170, 816011), (215, 645218), (238, 582865), (301, 460870), (430, 322609), (595, 233146), (602, 230435), (731, 189770), (1190, 116573), (1462, 94885), (1505, 92174), (2711, 51170), (3010, 46087), (3655, 37954), (5117, 27110), (5422, 25585), (7310, 18977), (10234, 13555)]