28075180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8719}}^1$

素因数の和:8758

約数の個数: 48

約数和(自身を含む): 70318080

約数和(自身を除く): 42242900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8719, 17438, 34876, 43595, 61033, 87190, 122066, 174380, 200537, 244132, 305165, 401074, 610330, 802148, 1002685, 1220660, 1403759, 2005370, 2807518, 4010740, 5615036, 7018795, 14037590, 28075180]

約数ペア:

[(1, 28075180), (2, 14037590), (4, 7018795), (5, 5615036), (7, 4010740), (10, 2807518), (14, 2005370), (20, 1403759), (23, 1220660), (28, 1002685), (35, 802148), (46, 610330), (70, 401074), (92, 305165), (115, 244132), (140, 200537), (161, 174380), (230, 122066), (322, 87190), (460, 61033), (644, 43595), (805, 34876), (1610, 17438), (3220, 8719)]