28070810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 54908928

約数和(自身を除く): 26838118

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 127, 155, 230, 254, 310, 635, 713, 961, 1270, 1426, 1922, 2921, 3565, 3937, 4805, 5842, 7130, 7874, 9610, 14605, 19685, 22103, 29210, 39370, 44206, 90551, 110515, 122047, 181102, 221030, 244094, 452755, 610235, 905510, 1220470, 2807081, 5614162, 14035405, 28070810]

約数ペア:

[(1, 28070810), (2, 14035405), (5, 5614162), (10, 2807081), (23, 1220470), (31, 905510), (46, 610235), (62, 452755), (115, 244094), (127, 221030), (155, 181102), (230, 122047), (254, 110515), (310, 90551), (635, 44206), (713, 39370), (961, 29210), (1270, 22103), (1426, 19685), (1922, 14605), (2921, 9610), (3565, 7874), (3937, 7130), (4805, 5842)]