28462420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11959}}^1$

素因数の和:11992

約数の個数: 48

約数和(自身を含む): 72334080

約数和(自身を除く): 43871660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 11959, 23918, 47836, 59795, 83713, 119590, 167426, 203303, 239180, 334852, 406606, 418565, 813212, 837130, 1016515, 1423121, 1674260, 2033030, 2846242, 4066060, 5692484, 7115605, 14231210, 28462420]

約数ペア:

[(1, 28462420), (2, 14231210), (4, 7115605), (5, 5692484), (7, 4066060), (10, 2846242), (14, 2033030), (17, 1674260), (20, 1423121), (28, 1016515), (34, 837130), (35, 813212), (68, 418565), (70, 406606), (85, 334852), (119, 239180), (140, 203303), (170, 167426), (238, 119590), (340, 83713), (476, 59795), (595, 47836), (1190, 23918), (2380, 11959)]