211399382020

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2111}}^1\times {\mathrm{8089}}^1$

素因数の和:10828

約数の個数: 48

約数和(自身を含む): 444921523200

約数和(自身を除く): 233522141180

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2111, 2476, 3095, 4222, 6190, 8089, 8444, 10555, 12380, 16178, 21110, 32356, 40445, 42220, 80890, 161780, 1306709, 2613418, 5007091, 5226836, 6533545, 10014182, 13067090, 17075879, 20028364, 25035455, 26134180, 34151758, 50070910, 68303516, 85379395, 100141820, 170758790, 341517580, 10569969101, 21139938202, 42279876404, 52849845505, 105699691010, 211399382020]

約数ペア:

[(1, 211399382020), (2, 105699691010), (4, 52849845505), (5, 42279876404), (10, 21139938202), (20, 10569969101), (619, 341517580), (1238, 170758790), (2111, 100141820), (2476, 85379395), (3095, 68303516), (4222, 50070910), (6190, 34151758), (8089, 26134180), (8444, 25035455), (10555, 20028364), (12380, 17075879), (16178, 13067090), (21110, 10014182), (32356, 6533545), (40445, 5226836), (42220, 5007091), (80890, 2613418), (161780, 1306709)]