2979090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 7862400

約数和(自身を除く): 4883310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 419, 474, 711, 790, 838, 1185, 1257, 1422, 2095, 2370, 2514, 3555, 3771, 4190, 6285, 7110, 7542, 12570, 18855, 33101, 37710, 66202, 99303, 165505, 198606, 297909, 331010, 496515, 595818, 993030, 1489545, 2979090]

約数ペア:

[(1, 2979090), (2, 1489545), (3, 993030), (5, 595818), (6, 496515), (9, 331010), (10, 297909), (15, 198606), (18, 165505), (30, 99303), (45, 66202), (79, 37710), (90, 33101), (158, 18855), (237, 12570), (395, 7542), (419, 7110), (474, 6285), (711, 4190), (790, 3771), (838, 3555), (1185, 2514), (1257, 2370), (1422, 2095)]