2812953580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{8731}}^1$

素因数の和:9010

約数の個数: 48

約数和(自身を含む): 6007266720

約数和(自身を除く): 3194313140

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 181, 356, 362, 445, 724, 890, 905, 1780, 1810, 3620, 8731, 16109, 17462, 32218, 34924, 43655, 64436, 80545, 87310, 161090, 174620, 322180, 777059, 1554118, 1580311, 3108236, 3160622, 3885295, 6321244, 7770590, 7901555, 15541180, 15803110, 31606220, 140647679, 281295358, 562590716, 703238395, 1406476790, 2812953580]

約数ペア:

[(1, 2812953580), (2, 1406476790), (4, 703238395), (5, 562590716), (10, 281295358), (20, 140647679), (89, 31606220), (178, 15803110), (181, 15541180), (356, 7901555), (362, 7770590), (445, 6321244), (724, 3885295), (890, 3160622), (905, 3108236), (1780, 1580311), (1810, 1554118), (3620, 777059), (8731, 322180), (16109, 174620), (17462, 161090), (32218, 87310), (34924, 80545), (43655, 64436)]