398433780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{1549}}^1$

素因数の和:2993

約数の個数: 72

約数和(自身を含む): 1210209000

約数和(自身を除く): 811775220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1429, 1549, 2858, 3098, 4287, 4647, 5716, 6196, 7145, 7745, 8574, 9294, 12861, 13941, 14290, 15490, 17148, 18588, 21435, 23235, 25722, 27882, 28580, 30980, 42870, 46470, 51444, 55764, 64305, 69705, 85740, 92940, 128610, 139410, 257220, 278820, 2213521, 4427042, 6640563, 8854084, 11067605, 13281126, 19921689, 22135210, 26562252, 33202815, 39843378, 44270420, 66405630, 79686756, 99608445, 132811260, 199216890, 398433780]

約数ペア:

[(1, 398433780), (2, 199216890), (3, 132811260), (4, 99608445), (5, 79686756), (6, 66405630), (9, 44270420), (10, 39843378), (12, 33202815), (15, 26562252), (18, 22135210), (20, 19921689), (30, 13281126), (36, 11067605), (45, 8854084), (60, 6640563), (90, 4427042), (180, 2213521), (1429, 278820), (1549, 257220), (2858, 139410), (3098, 128610), (4287, 92940), (4647, 85740), (5716, 69705), (6196, 64305), (7145, 55764), (7745, 51444), (8574, 46470), (9294, 42870), (12861, 30980), (13941, 28580), (14290, 27882), (15490, 25722), (17148, 23235), (18588, 21435)]