138846540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{330587}}^1$

素因数の和:330606

約数の個数: 48

約数和(自身を含む): 444310272

約数和(自身を除く): 305463732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 330587, 661174, 991761, 1322348, 1652935, 1983522, 2314109, 3305870, 3967044, 4628218, 4958805, 6611740, 6942327, 9256436, 9917610, 11570545, 13884654, 19835220, 23141090, 27769308, 34711635, 46282180, 69423270, 138846540]

約数ペア:

[(1, 138846540), (2, 69423270), (3, 46282180), (4, 34711635), (5, 27769308), (6, 23141090), (7, 19835220), (10, 13884654), (12, 11570545), (14, 9917610), (15, 9256436), (20, 6942327), (21, 6611740), (28, 4958805), (30, 4628218), (35, 3967044), (42, 3305870), (60, 2314109), (70, 1983522), (84, 1652935), (105, 1322348), (140, 991761), (210, 661174), (420, 330587)]