210301780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{808853}}^1$

素因数の和:808875

約数の個数: 24

約数和(自身を含む): 475606152

約数和(自身を除く): 265304372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 808853, 1617706, 3235412, 4044265, 8088530, 10515089, 16177060, 21030178, 42060356, 52575445, 105150890, 210301780]

約数ペア:

[(1, 210301780), (2, 105150890), (4, 52575445), (5, 42060356), (10, 21030178), (13, 16177060), (20, 10515089), (26, 8088530), (52, 4044265), (65, 3235412), (130, 1617706), (260, 808853)]