4491220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5669420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 223, 265, 380, 446, 530, 892, 1007, 1060, 1115, 2014, 2230, 4028, 4237, 4460, 5035, 8474, 10070, 11819, 16948, 20140, 21185, 23638, 42370, 47276, 59095, 84740, 118190, 224561, 236380, 449122, 898244, 1122805, 2245610, 4491220]

約数ペア:

[(1, 4491220), (2, 2245610), (4, 1122805), (5, 898244), (10, 449122), (19, 236380), (20, 224561), (38, 118190), (53, 84740), (76, 59095), (95, 47276), (106, 42370), (190, 23638), (212, 21185), (223, 20140), (265, 16948), (380, 11819), (446, 10070), (530, 8474), (892, 5035), (1007, 4460), (1060, 4237), (1115, 4028), (2014, 2230)]