440485208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{32561}}^1$

素因数の和:32675

約数の個数: 32

約数和(自身を含む): 879174000

約数和(自身を除く): 438688792

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 3382, 6764, 13528, 32561, 65122, 130244, 260488, 618659, 1237318, 2474636, 2897929, 4949272, 5795858, 11591716, 23183432, 55060651, 110121302, 220242604, 440485208]

約数ペア:

[(1, 440485208), (2, 220242604), (4, 110121302), (8, 55060651), (19, 23183432), (38, 11591716), (76, 5795858), (89, 4949272), (152, 2897929), (178, 2474636), (356, 1237318), (712, 618659), (1691, 260488), (3382, 130244), (6764, 65122), (13528, 32561)]