138475420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1187}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 307359360

約数和(自身を除く): 168883940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 307, 380, 614, 1187, 1228, 1535, 2374, 3070, 4748, 5833, 5935, 6140, 11666, 11870, 22553, 23332, 23740, 29165, 45106, 58330, 90212, 112765, 116660, 225530, 364409, 451060, 728818, 1457636, 1822045, 3644090, 6923771, 7288180, 13847542, 27695084, 34618855, 69237710, 138475420]

約数ペア:

[(1, 138475420), (2, 69237710), (4, 34618855), (5, 27695084), (10, 13847542), (19, 7288180), (20, 6923771), (38, 3644090), (76, 1822045), (95, 1457636), (190, 728818), (307, 451060), (380, 364409), (614, 225530), (1187, 116660), (1228, 112765), (1535, 90212), (2374, 58330), (3070, 45106), (4748, 29165), (5833, 23740), (5935, 23332), (6140, 22553), (11666, 11870)]