390908030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1\times {\mathrm{1871}}^1$

素因数の和:3124

約数の個数: 32

約数和(自身を含む): 746029440

約数和(自身を除く): 355121410

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1229, 1871, 2458, 3742, 6145, 9355, 12290, 18710, 20893, 31807, 41786, 63614, 104465, 159035, 208930, 318070, 2299459, 4598918, 11497295, 22994590, 39090803, 78181606, 195454015, 390908030]

約数ペア:

[(1, 390908030), (2, 195454015), (5, 78181606), (10, 39090803), (17, 22994590), (34, 11497295), (85, 4598918), (170, 2299459), (1229, 318070), (1871, 208930), (2458, 159035), (3742, 104465), (6145, 63614), (9355, 41786), (12290, 31807), (18710, 20893)]