708943580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{1009}}^1$

素因数の和:1123

約数の個数: 72

約数和(自身を含む): 1606021200

約数和(自身を除く): 897077620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1009, 1634, 1849, 2018, 3268, 3698, 4036, 4085, 5045, 7396, 8170, 9245, 10090, 16340, 18490, 19171, 20180, 35131, 36980, 38342, 43387, 70262, 76684, 86774, 95855, 140524, 173548, 175655, 191710, 216935, 351310, 383420, 433870, 702620, 824353, 867740, 1648706, 1865641, 3297412, 3731282, 4121765, 7462564, 8243530, 9328205, 16487060, 18656410, 35447179, 37312820, 70894358, 141788716, 177235895, 354471790, 708943580]

約数ペア:

[(1, 708943580), (2, 354471790), (4, 177235895), (5, 141788716), (10, 70894358), (19, 37312820), (20, 35447179), (38, 18656410), (43, 16487060), (76, 9328205), (86, 8243530), (95, 7462564), (172, 4121765), (190, 3731282), (215, 3297412), (380, 1865641), (430, 1648706), (817, 867740), (860, 824353), (1009, 702620), (1634, 433870), (1849, 383420), (2018, 351310), (3268, 216935), (3698, 191710), (4036, 175655), (4085, 173548), (5045, 140524), (7396, 95855), (8170, 86774), (9245, 76684), (10090, 70262), (16340, 43387), (18490, 38342), (19171, 36980), (20180, 35131)]