7624540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4951}}^1$

素因数の和:4978

約数の個数: 48

約数和(自身を含む): 19966464

約数和(自身を除く): 12341924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 4951, 9902, 19804, 24755, 34657, 49510, 54461, 69314, 99020, 108922, 138628, 173285, 217844, 272305, 346570, 381227, 544610, 693140, 762454, 1089220, 1524908, 1906135, 3812270, 7624540]

約数ペア:

[(1, 7624540), (2, 3812270), (4, 1906135), (5, 1524908), (7, 1089220), (10, 762454), (11, 693140), (14, 544610), (20, 381227), (22, 346570), (28, 272305), (35, 217844), (44, 173285), (55, 138628), (70, 108922), (77, 99020), (110, 69314), (140, 54461), (154, 49510), (220, 34657), (308, 24755), (385, 19804), (770, 9902), (1540, 4951)]