921661580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{134353}}^1$

素因数の和:134383

約数の個数: 48

約数和(自身を含む): 2257147200

約数和(自身を除く): 1335485620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 134353, 268706, 537412, 671765, 940471, 1343530, 1880942, 2687060, 3761884, 4702355, 6583297, 9404710, 13166594, 18809420, 26333188, 32916485, 46083079, 65832970, 92166158, 131665940, 184332316, 230415395, 460830790, 921661580]

約数ペア:

[(1, 921661580), (2, 460830790), (4, 230415395), (5, 184332316), (7, 131665940), (10, 92166158), (14, 65832970), (20, 46083079), (28, 32916485), (35, 26333188), (49, 18809420), (70, 13166594), (98, 9404710), (140, 6583297), (196, 4702355), (245, 3761884), (343, 2687060), (490, 1880942), (686, 1343530), (980, 940471), (1372, 671765), (1715, 537412), (3430, 268706), (6860, 134353)]