2490140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6553}}^1$

素因数の和:6581

約数の個数: 24

約数和(自身を含む): 5505360

約数和(自身を除く): 3015220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6553, 13106, 26212, 32765, 65530, 124507, 131060, 249014, 498028, 622535, 1245070, 2490140]

約数ペア:

[(1, 2490140), (2, 1245070), (4, 622535), (5, 498028), (10, 249014), (19, 131060), (20, 124507), (38, 65530), (76, 32765), (95, 26212), (190, 13106), (380, 6553)]