68404280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244301}}^1$

素因数の和:244319

約数の個数: 32

約数和(自身を含む): 175897440

約数和(自身を除く): 107493160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244301, 488602, 977204, 1221505, 1710107, 1954408, 2443010, 3420214, 4886020, 6840428, 8550535, 9772040, 13680856, 17101070, 34202140, 68404280]

約数ペア:

[(1, 68404280), (2, 34202140), (4, 17101070), (5, 13680856), (7, 9772040), (8, 8550535), (10, 6840428), (14, 4886020), (20, 3420214), (28, 2443010), (35, 1954408), (40, 1710107), (56, 1221505), (70, 977204), (140, 488602), (280, 244301)]