209224280

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{31321}}^1$

素因数の和:31499

約数の個数: 32

約数和(自身を含む): 473588640

約数和(自身を除く): 264364360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 31321, 62642, 125284, 156605, 250568, 313210, 626420, 1252840, 5230607, 10461214, 20922428, 26153035, 41844856, 52306070, 104612140, 209224280]

約数ペア:

[(1, 209224280), (2, 104612140), (4, 52306070), (5, 41844856), (8, 26153035), (10, 20922428), (20, 10461214), (40, 5230607), (167, 1252840), (334, 626420), (668, 313210), (835, 250568), (1336, 156605), (1670, 125284), (3340, 62642), (6680, 31321)]