489664730

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{2789}}^1$

素因数の和:3074

約数の個数: 32

約数和(自身を含む): 895723920

約数和(自身を除く): 406059190

約数列:

[1, 2, 5, 10, 97, 181, 194, 362, 485, 905, 970, 1810, 2789, 5578, 13945, 17557, 27890, 35114, 87785, 175570, 270533, 504809, 541066, 1009618, 1352665, 2524045, 2705330, 5048090, 48966473, 97932946, 244832365, 489664730]

約数ペア:

[(1, 489664730), (2, 244832365), (5, 97932946), (10, 48966473), (97, 5048090), (181, 2705330), (194, 2524045), (362, 1352665), (485, 1009618), (905, 541066), (970, 504809), (1810, 270533), (2789, 175570), (5578, 87785), (13945, 35114), (17557, 27890)]