210899180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{64693}}^1$

素因数の和:64865

約数の個数: 24

約数和(自身を含む): 445612272

約数和(自身を除く): 234713092

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 64693, 129386, 258772, 323465, 646930, 1293860, 10544959, 21089918, 42179836, 52724795, 105449590, 210899180]

約数ペア:

[(1, 210899180), (2, 105449590), (4, 52724795), (5, 42179836), (10, 21089918), (20, 10544959), (163, 1293860), (326, 646930), (652, 323465), (815, 258772), (1630, 129386), (3260, 64693)]