179944420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{557}}^2$

素因数の和:1152

約数の個数: 36

約数和(自身を含む): 391616820

約数和(自身を除く): 211672400

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 557, 580, 1114, 2228, 2785, 5570, 11140, 16153, 32306, 64612, 80765, 161530, 310249, 323060, 620498, 1240996, 1551245, 3102490, 6204980, 8997221, 17994442, 35988884, 44986105, 89972210, 179944420]

約数ペア:

[(1, 179944420), (2, 89972210), (4, 44986105), (5, 35988884), (10, 17994442), (20, 8997221), (29, 6204980), (58, 3102490), (116, 1551245), (145, 1240996), (290, 620498), (557, 323060), (580, 310249), (1114, 161530), (2228, 80765), (2785, 64612), (5570, 32306), (11140, 16153)]