398508880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64693}}^1$

素因数の和:64724

約数の個数: 80

約数和(自身を含む): 1155176064

約数和(自身を除く): 756667184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 64693, 129386, 258772, 323465, 452851, 517544, 646930, 711623, 905702, 1035088, 1293860, 1423246, 1811404, 2264255, 2587720, 2846492, 3558115, 3622808, 4528510, 4981361, 5175440, 5692984, 7116230, 7245616, 9057020, 9962722, 11385968, 14232460, 18114040, 19925444, 24906805, 28464920, 36228080, 39850888, 49813610, 56929840, 79701776, 99627220, 199254440, 398508880]

約数ペア:

[(1, 398508880), (2, 199254440), (4, 99627220), (5, 79701776), (7, 56929840), (8, 49813610), (10, 39850888), (11, 36228080), (14, 28464920), (16, 24906805), (20, 19925444), (22, 18114040), (28, 14232460), (35, 11385968), (40, 9962722), (44, 9057020), (55, 7245616), (56, 7116230), (70, 5692984), (77, 5175440), (80, 4981361), (88, 4528510), (110, 3622808), (112, 3558115), (140, 2846492), (154, 2587720), (176, 2264255), (220, 1811404), (280, 1423246), (308, 1293860), (385, 1035088), (440, 905702), (560, 711623), (616, 646930), (770, 517544), (880, 452851), (1232, 323465), (1540, 258772), (3080, 129386), (6160, 64693)]