355418120

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{51361}}^1$

素因数の和:51545

約数の個数: 32

約数和(自身を含む): 804328920

約数和(自身を除く): 448910800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 51361, 102722, 205444, 256805, 410888, 513610, 1027220, 2054440, 8885453, 17770906, 35541812, 44427265, 71083624, 88854530, 177709060, 355418120]

約数ペア:

[(1, 355418120), (2, 177709060), (4, 88854530), (5, 71083624), (8, 44427265), (10, 35541812), (20, 17770906), (40, 8885453), (173, 2054440), (346, 1027220), (692, 513610), (865, 410888), (1384, 256805), (1730, 205444), (3460, 102722), (6920, 51361)]