388138210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{4987}}^1$

素因数の和:5218

約数の個数: 32

約数和(自身を含む): 718990272

約数和(自身を除く): 330852062

約数列:

[1, 2, 5, 10, 43, 86, 181, 215, 362, 430, 905, 1810, 4987, 7783, 9974, 15566, 24935, 38915, 49870, 77830, 214441, 428882, 902647, 1072205, 1805294, 2144410, 4513235, 9026470, 38813821, 77627642, 194069105, 388138210]

約数ペア:

[(1, 388138210), (2, 194069105), (5, 77627642), (10, 38813821), (43, 9026470), (86, 4513235), (181, 2144410), (215, 1805294), (362, 1072205), (430, 902647), (905, 428882), (1810, 214441), (4987, 77830), (7783, 49870), (9974, 38915), (15566, 24935)]