165872420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19423}}^1$

素因数の和:19500

約数の個数: 48

約数和(自身を含む): 404640768

約数和(自身を除く): 238768348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 19423, 38846, 77692, 97115, 135961, 194230, 271922, 388460, 543844, 679805, 1184803, 1359610, 2369606, 2719220, 4739212, 5924015, 8293621, 11848030, 16587242, 23696060, 33174484, 41468105, 82936210, 165872420]

約数ペア:

[(1, 165872420), (2, 82936210), (4, 41468105), (5, 33174484), (7, 23696060), (10, 16587242), (14, 11848030), (20, 8293621), (28, 5924015), (35, 4739212), (61, 2719220), (70, 2369606), (122, 1359610), (140, 1184803), (244, 679805), (305, 543844), (427, 388460), (610, 271922), (854, 194230), (1220, 135961), (1708, 97115), (2135, 77692), (4270, 38846), (8540, 19423)]