72199810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379999}}^1$

素因数の和:380025

約数の個数: 16

約数和(自身を含む): 136800000

約数和(自身を除く): 64600190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 379999, 759998, 1899995, 3799990, 7219981, 14439962, 36099905, 72199810]

約数ペア:

[(1, 72199810), (2, 36099905), (5, 14439962), (10, 7219981), (19, 3799990), (38, 1899995), (95, 759998), (190, 379999)]