28115790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1901}}^1$

素因数の和:1957

約数の個数: 64

約数和(自身を含む): 73949760

約数和(自身を除く): 45833970

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 85, 87, 102, 145, 170, 174, 255, 290, 435, 493, 510, 870, 986, 1479, 1901, 2465, 2958, 3802, 4930, 5703, 7395, 9505, 11406, 14790, 19010, 28515, 32317, 55129, 57030, 64634, 96951, 110258, 161585, 165387, 193902, 275645, 323170, 330774, 484755, 551290, 826935, 937193, 969510, 1653870, 1874386, 2811579, 4685965, 5623158, 9371930, 14057895, 28115790]

約数ペア:

[(1, 28115790), (2, 14057895), (3, 9371930), (5, 5623158), (6, 4685965), (10, 2811579), (15, 1874386), (17, 1653870), (29, 969510), (30, 937193), (34, 826935), (51, 551290), (58, 484755), (85, 330774), (87, 323170), (102, 275645), (145, 193902), (170, 165387), (174, 161585), (255, 110258), (290, 96951), (435, 64634), (493, 57030), (510, 55129), (870, 32317), (986, 28515), (1479, 19010), (1901, 14790), (2465, 11406), (2958, 9505), (3802, 7395), (4930, 5703)]