2018578730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1\times {\mathrm{1097}}^1$

素因数の和:1479

約数の個数: 64

約数和(自身を含む): 4214633472

約数和(自身を除く): 2196054742

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 271, 485, 542, 679, 970, 1097, 1355, 1358, 1897, 2194, 2710, 3395, 3794, 5485, 6790, 7679, 9485, 10970, 15358, 18970, 26287, 38395, 52574, 76790, 106409, 131435, 184009, 212818, 262870, 297287, 368018, 532045, 594574, 744863, 920045, 1064090, 1486435, 1489726, 1840090, 2081009, 2972870, 3724315, 4162018, 7448630, 10405045, 20810090, 28836839, 57673678, 144184195, 201857873, 288368390, 403715746, 1009289365, 2018578730]

約数ペア:

[(1, 2018578730), (2, 1009289365), (5, 403715746), (7, 288368390), (10, 201857873), (14, 144184195), (35, 57673678), (70, 28836839), (97, 20810090), (194, 10405045), (271, 7448630), (485, 4162018), (542, 3724315), (679, 2972870), (970, 2081009), (1097, 1840090), (1355, 1489726), (1358, 1486435), (1897, 1064090), (2194, 920045), (2710, 744863), (3395, 594574), (3794, 532045), (5485, 368018), (6790, 297287), (7679, 262870), (9485, 212818), (10970, 184009), (15358, 131435), (18970, 106409), (26287, 76790), (38395, 52574)]