128577260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3659}}^1$

素因数の和:3926

約数の個数: 48

約数和(自身を含む): 309899520

約数和(自身を除く): 181322260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 3659, 5020, 7028, 7318, 8785, 14636, 17570, 18295, 25613, 35140, 36590, 51226, 73180, 102452, 128065, 256130, 512260, 918409, 1836818, 3673636, 4592045, 6428863, 9184090, 12857726, 18368180, 25715452, 32144315, 64288630, 128577260]

約数ペア:

[(1, 128577260), (2, 64288630), (4, 32144315), (5, 25715452), (7, 18368180), (10, 12857726), (14, 9184090), (20, 6428863), (28, 4592045), (35, 3673636), (70, 1836818), (140, 918409), (251, 512260), (502, 256130), (1004, 128065), (1255, 102452), (1757, 73180), (2510, 51226), (3514, 36590), (3659, 35140), (5020, 25613), (7028, 18295), (7318, 17570), (8785, 14636)]