61980980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{182297}}^1$

素因数の和:182323

約数の個数: 24

約数和(自身を含む): 137817288

約数和(自身を除く): 75836308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 182297, 364594, 729188, 911485, 1822970, 3099049, 3645940, 6198098, 12396196, 15495245, 30990490, 61980980]

約数ペア:

[(1, 61980980), (2, 30990490), (4, 15495245), (5, 12396196), (10, 6198098), (17, 3645940), (20, 3099049), (34, 1822970), (68, 911485), (85, 729188), (170, 364594), (340, 182297)]