38178420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{90901}}^1$

素因数の和:90920

約数の個数: 48

約数和(自身を含む): 122172288

約数和(自身を除く): 83993868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 90901, 181802, 272703, 363604, 454505, 545406, 636307, 909010, 1090812, 1272614, 1363515, 1818020, 1908921, 2545228, 2727030, 3181535, 3817842, 5454060, 6363070, 7635684, 9544605, 12726140, 19089210, 38178420]

約数ペア:

[(1, 38178420), (2, 19089210), (3, 12726140), (4, 9544605), (5, 7635684), (6, 6363070), (7, 5454060), (10, 3817842), (12, 3181535), (14, 2727030), (15, 2545228), (20, 1908921), (21, 1818020), (28, 1363515), (30, 1272614), (35, 1090812), (42, 909010), (60, 636307), (70, 545406), (84, 454505), (105, 363604), (140, 272703), (210, 181802), (420, 90901)]