78521870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 174113280

約数和(自身を除く): 95591410

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 43, 70, 86, 95, 133, 190, 215, 266, 301, 430, 602, 665, 817, 1330, 1373, 1505, 1634, 2746, 3010, 4085, 5719, 6865, 8170, 9611, 11438, 13730, 19222, 26087, 28595, 48055, 52174, 57190, 59039, 96110, 118078, 130435, 182609, 260870, 295195, 365218, 413273, 590390, 826546, 913045, 1121741, 1826090, 2066365, 2243482, 4132730, 5608705, 7852187, 11217410, 15704374, 39260935, 78521870]

約数ペア:

[(1, 78521870), (2, 39260935), (5, 15704374), (7, 11217410), (10, 7852187), (14, 5608705), (19, 4132730), (35, 2243482), (38, 2066365), (43, 1826090), (70, 1121741), (86, 913045), (95, 826546), (133, 590390), (190, 413273), (215, 365218), (266, 295195), (301, 260870), (430, 182609), (602, 130435), (665, 118078), (817, 96110), (1330, 59039), (1373, 57190), (1505, 52174), (1634, 48055), (2746, 28595), (3010, 26087), (4085, 19222), (5719, 13730), (6865, 11438), (8170, 9611)]