164570840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{587753}}^1$

素因数の和:587771

約数の個数: 32

約数和(自身を含む): 423182880

約数和(自身を除く): 258612040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 587753, 1175506, 2351012, 2938765, 4114271, 4702024, 5877530, 8228542, 11755060, 16457084, 20571355, 23510120, 32914168, 41142710, 82285420, 164570840]

約数ペア:

[(1, 164570840), (2, 82285420), (4, 41142710), (5, 32914168), (7, 23510120), (8, 20571355), (10, 16457084), (14, 11755060), (20, 8228542), (28, 5877530), (35, 4702024), (40, 4114271), (56, 2938765), (70, 2351012), (140, 1175506), (280, 587753)]