212990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 24

約数和(自身を含む): 411480

約数和(自身を除く): 198490

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 361, 590, 722, 1121, 1805, 2242, 3610, 5605, 11210, 21299, 42598, 106495, 212990]

約数ペア:

[(1, 212990), (2, 106495), (5, 42598), (10, 21299), (19, 11210), (38, 5605), (59, 3610), (95, 2242), (118, 1805), (190, 1121), (295, 722), (361, 590)]