38990340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 118879488

約数和(自身を除く): 79889148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 863, 1004, 1255, 1506, 1726, 2259, 2510, 2589, 3012, 3452, 3765, 4315, 4518, 5020, 5178, 7530, 7767, 8630, 9036, 10356, 11295, 12945, 15060, 15534, 17260, 22590, 25890, 31068, 38835, 45180, 51780, 77670, 155340, 216613, 433226, 649839, 866452, 1083065, 1299678, 1949517, 2166130, 2599356, 3249195, 3899034, 4332260, 6498390, 7798068, 9747585, 12996780, 19495170, 38990340]

約数ペア:

[(1, 38990340), (2, 19495170), (3, 12996780), (4, 9747585), (5, 7798068), (6, 6498390), (9, 4332260), (10, 3899034), (12, 3249195), (15, 2599356), (18, 2166130), (20, 1949517), (30, 1299678), (36, 1083065), (45, 866452), (60, 649839), (90, 433226), (180, 216613), (251, 155340), (502, 77670), (753, 51780), (863, 45180), (1004, 38835), (1255, 31068), (1506, 25890), (1726, 22590), (2259, 17260), (2510, 15534), (2589, 15060), (3012, 12945), (3452, 11295), (3765, 10356), (4315, 9036), (4518, 8630), (5020, 7767), (5178, 7530)]