66489740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4729}}^1$

素因数の和:4794

約数の個数: 48

約数和(自身を含む): 150981600

約数和(自身を除く): 84491860

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 4729, 7030, 9458, 14060, 18916, 23645, 47290, 89851, 94580, 174973, 179702, 349946, 359404, 449255, 699892, 874865, 898510, 1749730, 1797020, 3324487, 3499460, 6648974, 13297948, 16622435, 33244870, 66489740]

約数ペア:

[(1, 66489740), (2, 33244870), (4, 16622435), (5, 13297948), (10, 6648974), (19, 3499460), (20, 3324487), (37, 1797020), (38, 1749730), (74, 898510), (76, 874865), (95, 699892), (148, 449255), (185, 359404), (190, 349946), (370, 179702), (380, 174973), (703, 94580), (740, 89851), (1406, 47290), (2812, 23645), (3515, 18916), (4729, 14060), (7030, 9458)]