212977690

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{210869}}^1$

素因数の和:210977

約数の個数: 16

約数和(自身を含む): 387157320

約数和(自身を除く): 174179630

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 210869, 421738, 1054345, 2108690, 21297769, 42595538, 106488845, 212977690]

約数ペア:

[(1, 212977690), (2, 106488845), (5, 42595538), (10, 21297769), (101, 2108690), (202, 1054345), (505, 421738), (1010, 210869)]