2005140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1453}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 5862528

約数和(自身を除く): 3857388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 1453, 2906, 4359, 5812, 7265, 8718, 14530, 17436, 21795, 29060, 33419, 43590, 66838, 87180, 100257, 133676, 167095, 200514, 334190, 401028, 501285, 668380, 1002570, 2005140]

約数ペア:

[(1, 2005140), (2, 1002570), (3, 668380), (4, 501285), (5, 401028), (6, 334190), (10, 200514), (12, 167095), (15, 133676), (20, 100257), (23, 87180), (30, 66838), (46, 43590), (60, 33419), (69, 29060), (92, 21795), (115, 17436), (138, 14530), (230, 8718), (276, 7265), (345, 5812), (460, 4359), (690, 2906), (1380, 1453)]