291208630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{21587}}^1$

素因数の和:21684

約数の個数: 32

約数和(自身を含む): 559560960

約数和(自身を除く): 268352330

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 21587, 43174, 107935, 215870, 410153, 820306, 1532677, 2050765, 3065354, 4101530, 7663385, 15326770, 29120863, 58241726, 145604315, 291208630]

約数ペア:

[(1, 291208630), (2, 145604315), (5, 58241726), (10, 29120863), (19, 15326770), (38, 7663385), (71, 4101530), (95, 3065354), (142, 2050765), (190, 1532677), (355, 820306), (710, 410153), (1349, 215870), (2698, 107935), (6745, 43174), (13490, 21587)]