234020440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 540509760

約数和(自身を除く): 306489320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 167, 212, 265, 334, 424, 530, 661, 668, 835, 1060, 1322, 1336, 1670, 2120, 2644, 3305, 3340, 5288, 6610, 6680, 8851, 13220, 17702, 26440, 35033, 35404, 44255, 70066, 70808, 88510, 110387, 140132, 175165, 177020, 220774, 280264, 350330, 354040, 441548, 551935, 700660, 883096, 1103870, 1401320, 2207740, 4415480, 5850511, 11701022, 23402044, 29252555, 46804088, 58505110, 117010220, 234020440]

約数ペア:

[(1, 234020440), (2, 117010220), (4, 58505110), (5, 46804088), (8, 29252555), (10, 23402044), (20, 11701022), (40, 5850511), (53, 4415480), (106, 2207740), (167, 1401320), (212, 1103870), (265, 883096), (334, 700660), (424, 551935), (530, 441548), (661, 354040), (668, 350330), (835, 280264), (1060, 220774), (1322, 177020), (1336, 175165), (1670, 140132), (2120, 110387), (2644, 88510), (3305, 70808), (3340, 70066), (5288, 44255), (6610, 35404), (6680, 35033), (8851, 26440), (13220, 17702)]