7029220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 16329600

約数和(自身を除く): 9300380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 359, 445, 718, 890, 979, 1436, 1780, 1795, 1958, 3590, 3916, 3949, 4895, 7180, 7898, 9790, 15796, 19580, 19745, 31951, 39490, 63902, 78980, 127804, 159755, 319510, 351461, 639020, 702922, 1405844, 1757305, 3514610, 7029220]

約数ペア:

[(1, 7029220), (2, 3514610), (4, 1757305), (5, 1405844), (10, 702922), (11, 639020), (20, 351461), (22, 319510), (44, 159755), (55, 127804), (89, 78980), (110, 63902), (178, 39490), (220, 31951), (356, 19745), (359, 19580), (445, 15796), (718, 9790), (890, 7898), (979, 7180), (1436, 4895), (1780, 3949), (1795, 3916), (1958, 3590)]