38949070

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 71733600

約数和(自身を除く): 32784530

約数列:

[1, 2, 5, 10, 89, 107, 178, 214, 409, 445, 535, 818, 890, 1070, 2045, 4090, 9523, 19046, 36401, 43763, 47615, 72802, 87526, 95230, 182005, 218815, 364010, 437630, 3894907, 7789814, 19474535, 38949070]

約数ペア:

[(1, 38949070), (2, 19474535), (5, 7789814), (10, 3894907), (89, 437630), (107, 364010), (178, 218815), (214, 182005), (409, 95230), (445, 87526), (535, 72802), (818, 47615), (890, 43763), (1070, 36401), (2045, 19046), (4090, 9523)]