129840980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{1019}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 285828480

約数和(自身を除く): 155987500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 277, 460, 554, 1019, 1108, 1385, 2038, 2770, 4076, 5095, 5540, 6371, 10190, 12742, 20380, 23437, 25484, 31855, 46874, 63710, 93748, 117185, 127420, 234370, 282263, 468740, 564526, 1129052, 1411315, 2822630, 5645260, 6492049, 12984098, 25968196, 32460245, 64920490, 129840980]

約数ペア:

[(1, 129840980), (2, 64920490), (4, 32460245), (5, 25968196), (10, 12984098), (20, 6492049), (23, 5645260), (46, 2822630), (92, 1411315), (115, 1129052), (230, 564526), (277, 468740), (460, 282263), (554, 234370), (1019, 127420), (1108, 117185), (1385, 93748), (2038, 63710), (2770, 46874), (4076, 31855), (5095, 25484), (5540, 23437), (6371, 20380), (10190, 12742)]