202968380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{128461}}^1$

素因数の和:128549

約数の個数: 24

約数和(自身を含む): 431632320

約数和(自身を除く): 228663940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 128461, 256922, 513844, 642305, 1284610, 2569220, 10148419, 20296838, 40593676, 50742095, 101484190, 202968380]

約数ペア:

[(1, 202968380), (2, 101484190), (4, 50742095), (5, 40593676), (10, 20296838), (20, 10148419), (79, 2569220), (158, 1284610), (316, 642305), (395, 513844), (790, 256922), (1580, 128461)]