28894140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14593}}^1$

素因数の和:14619

約数の個数: 72

約数和(自身を含む): 95619888

約数和(自身を除く): 66725748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 14593, 29186, 43779, 58372, 72965, 87558, 131337, 145930, 160523, 175116, 218895, 262674, 291860, 321046, 437790, 481569, 525348, 642092, 656685, 802615, 875580, 963138, 1313370, 1444707, 1605230, 1926276, 2407845, 2626740, 2889414, 3210460, 4815690, 5778828, 7223535, 9631380, 14447070, 28894140]

約数ペア:

[(1, 28894140), (2, 14447070), (3, 9631380), (4, 7223535), (5, 5778828), (6, 4815690), (9, 3210460), (10, 2889414), (11, 2626740), (12, 2407845), (15, 1926276), (18, 1605230), (20, 1444707), (22, 1313370), (30, 963138), (33, 875580), (36, 802615), (44, 656685), (45, 642092), (55, 525348), (60, 481569), (66, 437790), (90, 321046), (99, 291860), (110, 262674), (132, 218895), (165, 175116), (180, 160523), (198, 145930), (220, 131337), (330, 87558), (396, 72965), (495, 58372), (660, 43779), (990, 29186), (1980, 14593)]