165704420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{51461}}^1$

素因数の和:51500

約数の個数: 48

約数和(自身を含む): 414989568

約数和(自身を除く): 249285148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 51461, 102922, 205844, 257305, 360227, 514610, 720454, 1029220, 1183603, 1440908, 1801135, 2367206, 3602270, 4734412, 5918015, 7204540, 8285221, 11836030, 16570442, 23672060, 33140884, 41426105, 82852210, 165704420]

約数ペア:

[(1, 165704420), (2, 82852210), (4, 41426105), (5, 33140884), (7, 23672060), (10, 16570442), (14, 11836030), (20, 8285221), (23, 7204540), (28, 5918015), (35, 4734412), (46, 3602270), (70, 2367206), (92, 1801135), (115, 1440908), (140, 1183603), (161, 1029220), (230, 720454), (322, 514610), (460, 360227), (644, 257305), (805, 205844), (1610, 102922), (3220, 51461)]