129380540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3923}}^1$

素因数の和:4046

約数の個数: 48

約数和(自身を含む): 290721312

約数和(自身を除く): 161340772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 3298, 3923, 6596, 7846, 8245, 15692, 16490, 19615, 32980, 39230, 66691, 78460, 133382, 266764, 333455, 380531, 666910, 761062, 1333820, 1522124, 1902655, 3805310, 6469027, 7610620, 12938054, 25876108, 32345135, 64690270, 129380540]

約数ペア:

[(1, 129380540), (2, 64690270), (4, 32345135), (5, 25876108), (10, 12938054), (17, 7610620), (20, 6469027), (34, 3805310), (68, 1902655), (85, 1522124), (97, 1333820), (170, 761062), (194, 666910), (340, 380531), (388, 333455), (485, 266764), (970, 133382), (1649, 78460), (1940, 66691), (3298, 39230), (3923, 32980), (6596, 19615), (7846, 16490), (8245, 15692)]