164030440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83689}}^1$

素因数の和:83714

約数の個数: 48

約数和(自身を含む): 429329700

約数和(自身を除く): 265299260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 83689, 167378, 334756, 418445, 585823, 669512, 836890, 1171646, 1673780, 2343292, 2929115, 3347560, 4100761, 4686584, 5858230, 8201522, 11716460, 16403044, 20503805, 23432920, 32806088, 41007610, 82015220, 164030440]

約数ペア:

[(1, 164030440), (2, 82015220), (4, 41007610), (5, 32806088), (7, 23432920), (8, 20503805), (10, 16403044), (14, 11716460), (20, 8201522), (28, 5858230), (35, 4686584), (40, 4100761), (49, 3347560), (56, 2929115), (70, 2343292), (98, 1673780), (140, 1171646), (196, 836890), (245, 669512), (280, 585823), (392, 418445), (490, 334756), (980, 167378), (1960, 83689)]