220145992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 463320000

約数和(自身を除く): 243174008

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 109, 118, 218, 236, 389, 436, 472, 649, 778, 872, 1199, 1298, 1556, 2398, 2596, 3112, 4279, 4796, 5192, 6431, 8558, 9592, 12862, 17116, 22951, 25724, 34232, 42401, 45902, 51448, 70741, 84802, 91804, 141482, 169604, 183608, 252461, 282964, 339208, 466411, 504922, 565928, 932822, 1009844, 1865644, 2019688, 2501659, 3731288, 5003318, 10006636, 20013272, 27518249, 55036498, 110072996, 220145992]

約数ペア:

[(1, 220145992), (2, 110072996), (4, 55036498), (8, 27518249), (11, 20013272), (22, 10006636), (44, 5003318), (59, 3731288), (88, 2501659), (109, 2019688), (118, 1865644), (218, 1009844), (236, 932822), (389, 565928), (436, 504922), (472, 466411), (649, 339208), (778, 282964), (872, 252461), (1199, 183608), (1298, 169604), (1556, 141482), (2398, 91804), (2596, 84802), (3112, 70741), (4279, 51448), (4796, 45902), (5192, 42401), (6431, 34232), (8558, 25724), (9592, 22951), (12862, 17116)]