127978690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1879}}^1$

素因数の和:2039

約数の個数: 48

約数和(自身を含む): 270043200

約数和(自身を除く): 142064510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 490, 695, 973, 1390, 1879, 1946, 3758, 4865, 6811, 9395, 9730, 13153, 13622, 18790, 26306, 34055, 65765, 68110, 92071, 131530, 184142, 261181, 460355, 522362, 920710, 1305905, 1828267, 2611810, 3656534, 9141335, 12797869, 18282670, 25595738, 63989345, 127978690]

約数ペア:

[(1, 127978690), (2, 63989345), (5, 25595738), (7, 18282670), (10, 12797869), (14, 9141335), (35, 3656534), (49, 2611810), (70, 1828267), (98, 1305905), (139, 920710), (245, 522362), (278, 460355), (490, 261181), (695, 184142), (973, 131530), (1390, 92071), (1879, 68110), (1946, 65765), (3758, 34055), (4865, 26306), (6811, 18790), (9395, 13622), (9730, 13153)]