28436820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 84067200

約数和(自身を除く): 55630380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 59, 60, 87, 116, 118, 145, 174, 177, 236, 277, 290, 295, 348, 354, 435, 554, 580, 590, 708, 831, 870, 885, 1108, 1180, 1385, 1662, 1711, 1740, 1770, 2770, 3324, 3422, 3540, 4155, 5133, 5540, 6844, 8033, 8310, 8555, 10266, 16066, 16343, 16620, 17110, 20532, 24099, 25665, 32132, 32686, 34220, 40165, 48198, 49029, 51330, 65372, 80330, 81715, 96396, 98058, 102660, 120495, 160660, 163430, 196116, 240990, 245145, 326860, 473947, 481980, 490290, 947894, 980580, 1421841, 1895788, 2369735, 2843682, 4739470, 5687364, 7109205, 9478940, 14218410, 28436820]

約数ペア:

[(1, 28436820), (2, 14218410), (3, 9478940), (4, 7109205), (5, 5687364), (6, 4739470), (10, 2843682), (12, 2369735), (15, 1895788), (20, 1421841), (29, 980580), (30, 947894), (58, 490290), (59, 481980), (60, 473947), (87, 326860), (116, 245145), (118, 240990), (145, 196116), (174, 163430), (177, 160660), (236, 120495), (277, 102660), (290, 98058), (295, 96396), (348, 81715), (354, 80330), (435, 65372), (554, 51330), (580, 49029), (590, 48198), (708, 40165), (831, 34220), (870, 32686), (885, 32132), (1108, 25665), (1180, 24099), (1385, 20532), (1662, 17110), (1711, 16620), (1740, 16343), (1770, 16066), (2770, 10266), (3324, 8555), (3422, 8310), (3540, 8033), (4155, 6844), (5133, 5540)]