49388980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{129971}}^1$

素因数の和:129999

約数の個数: 24

約数和(自身を含む): 109176480

約数和(自身を除く): 59787500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 129971, 259942, 519884, 649855, 1299710, 2469449, 2599420, 4938898, 9877796, 12347245, 24694490, 49388980]

約数ペア:

[(1, 49388980), (2, 24694490), (4, 12347245), (5, 9877796), (10, 4938898), (19, 2599420), (20, 2469449), (38, 1299710), (76, 649855), (95, 519884), (190, 259942), (380, 129971)]