2772020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 6386688

約数和(自身を除く): 3614668

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 263, 310, 340, 526, 527, 620, 1052, 1054, 1315, 2108, 2630, 2635, 4471, 5260, 5270, 8153, 8942, 10540, 16306, 17884, 22355, 32612, 40765, 44710, 81530, 89420, 138601, 163060, 277202, 554404, 693005, 1386010, 2772020]

約数ペア:

[(1, 2772020), (2, 1386010), (4, 693005), (5, 554404), (10, 277202), (17, 163060), (20, 138601), (31, 89420), (34, 81530), (62, 44710), (68, 40765), (85, 32612), (124, 22355), (155, 17884), (170, 16306), (263, 10540), (310, 8942), (340, 8153), (526, 5270), (527, 5260), (620, 4471), (1052, 2635), (1054, 2630), (1315, 2108)]