2238580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 5100480

約数和(自身を除く): 2861900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 137, 172, 190, 215, 274, 380, 430, 548, 685, 817, 860, 1370, 1634, 2603, 2740, 3268, 4085, 5206, 5891, 8170, 10412, 11782, 13015, 16340, 23564, 26030, 29455, 52060, 58910, 111929, 117820, 223858, 447716, 559645, 1119290, 2238580]

約数ペア:

[(1, 2238580), (2, 1119290), (4, 559645), (5, 447716), (10, 223858), (19, 117820), (20, 111929), (38, 58910), (43, 52060), (76, 29455), (86, 26030), (95, 23564), (137, 16340), (172, 13015), (190, 11782), (215, 10412), (274, 8170), (380, 5891), (430, 5206), (548, 4085), (685, 3268), (817, 2740), (860, 2603), (1370, 1634)]