1388394400

素因数分解:

$2^5\times 5^2\times {\mathrm{863}}^1\times {\mathrm{2011}}^1$

素因数の和:2894

約数の個数: 72

約数和(自身を含む): 3395032704

約数和(自身を除く): 2006638304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 863, 1726, 2011, 3452, 4022, 4315, 6904, 8044, 8630, 10055, 13808, 16088, 17260, 20110, 21575, 27616, 32176, 34520, 40220, 43150, 50275, 64352, 69040, 80440, 86300, 100550, 138080, 160880, 172600, 201100, 321760, 345200, 402200, 690400, 804400, 1608800, 1735493, 3470986, 6941972, 8677465, 13883944, 17354930, 27767888, 34709860, 43387325, 55535776, 69419720, 86774650, 138839440, 173549300, 277678880, 347098600, 694197200, 1388394400]

約数ペア:

[(1, 1388394400), (2, 694197200), (4, 347098600), (5, 277678880), (8, 173549300), (10, 138839440), (16, 86774650), (20, 69419720), (25, 55535776), (32, 43387325), (40, 34709860), (50, 27767888), (80, 17354930), (100, 13883944), (160, 8677465), (200, 6941972), (400, 3470986), (800, 1735493), (863, 1608800), (1726, 804400), (2011, 690400), (3452, 402200), (4022, 345200), (4315, 321760), (6904, 201100), (8044, 172600), (8630, 160880), (10055, 138080), (13808, 100550), (16088, 86300), (17260, 80440), (20110, 69040), (21575, 64352), (27616, 50275), (32176, 43150), (34520, 40220)]