77328440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276173}}^1$

素因数の和:276191

約数の個数: 32

約数和(自身を含む): 198845280

約数和(自身を除く): 121516840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276173, 552346, 1104692, 1380865, 1933211, 2209384, 2761730, 3866422, 5523460, 7732844, 9666055, 11046920, 15465688, 19332110, 38664220, 77328440]

約数ペア:

[(1, 77328440), (2, 38664220), (4, 19332110), (5, 15465688), (7, 11046920), (8, 9666055), (10, 7732844), (14, 5523460), (20, 3866422), (28, 2761730), (35, 2209384), (40, 1933211), (56, 1380865), (70, 1104692), (140, 552346), (280, 276173)]