225455420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 481995360

約数和(自身を除く): 256539940

約数列:

[1, 2, 4, 5, 10, 20, 107, 137, 214, 274, 428, 535, 548, 685, 769, 1070, 1370, 1538, 2140, 2740, 3076, 3845, 7690, 14659, 15380, 29318, 58636, 73295, 82283, 105353, 146590, 164566, 210706, 293180, 329132, 411415, 421412, 526765, 822830, 1053530, 1645660, 2107060, 11272771, 22545542, 45091084, 56363855, 112727710, 225455420]

約数ペア:

[(1, 225455420), (2, 112727710), (4, 56363855), (5, 45091084), (10, 22545542), (20, 11272771), (107, 2107060), (137, 1645660), (214, 1053530), (274, 822830), (428, 526765), (535, 421412), (548, 411415), (685, 329132), (769, 293180), (1070, 210706), (1370, 164566), (1538, 146590), (2140, 105353), (2740, 82283), (3076, 73295), (3845, 58636), (7690, 29318), (14659, 15380)]