397421580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389629}}^1$

素因数の和:389658

約数の個数: 48

約数和(自身を含む): 1178241120

約数和(自身を除く): 780819540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 389629, 779258, 1168887, 1558516, 1948145, 2337774, 3896290, 4675548, 5844435, 6623693, 7792580, 11688870, 13247386, 19871079, 23377740, 26494772, 33118465, 39742158, 66236930, 79484316, 99355395, 132473860, 198710790, 397421580]

約数ペア:

[(1, 397421580), (2, 198710790), (3, 132473860), (4, 99355395), (5, 79484316), (6, 66236930), (10, 39742158), (12, 33118465), (15, 26494772), (17, 23377740), (20, 19871079), (30, 13247386), (34, 11688870), (51, 7792580), (60, 6623693), (68, 5844435), (85, 4675548), (102, 3896290), (170, 2337774), (204, 1948145), (255, 1558516), (340, 1168887), (510, 779258), (1020, 389629)]