195699490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20113}}^1$

素因数の和:20266

約数の個数: 32

約数和(自身を含む): 405498240

約数和(自身を除く): 209798750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 20113, 40226, 100565, 140791, 201130, 281582, 703955, 1407910, 2795707, 5591414, 13978535, 19569949, 27957070, 39139898, 97849745, 195699490]

約数ペア:

[(1, 195699490), (2, 97849745), (5, 39139898), (7, 27957070), (10, 19569949), (14, 13978535), (35, 5591414), (70, 2795707), (139, 1407910), (278, 703955), (695, 281582), (973, 201130), (1390, 140791), (1946, 100565), (4865, 40226), (9730, 20113)]