38894220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7451}}^1$

素因数の和:7495

約数の個数: 72

約数和(自身を含む): 122063760

約数和(自身を除く): 83169540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 7451, 14902, 22353, 29804, 37255, 44706, 67059, 74510, 89412, 111765, 134118, 149020, 216079, 223530, 268236, 335295, 432158, 447060, 648237, 670590, 864316, 1080395, 1296474, 1341180, 1944711, 2160790, 2592948, 3241185, 3889422, 4321580, 6482370, 7778844, 9723555, 12964740, 19447110, 38894220]

約数ペア:

[(1, 38894220), (2, 19447110), (3, 12964740), (4, 9723555), (5, 7778844), (6, 6482370), (9, 4321580), (10, 3889422), (12, 3241185), (15, 2592948), (18, 2160790), (20, 1944711), (29, 1341180), (30, 1296474), (36, 1080395), (45, 864316), (58, 670590), (60, 648237), (87, 447060), (90, 432158), (116, 335295), (145, 268236), (174, 223530), (180, 216079), (261, 149020), (290, 134118), (348, 111765), (435, 89412), (522, 74510), (580, 67059), (870, 44706), (1044, 37255), (1305, 29804), (1740, 22353), (2610, 14902), (5220, 7451)]