83869940

素因数分解:

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

素因数の和:4989

約数の個数: 72

約数和(自身を含む): 221294976

約数和(自身を除く): 137425036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 4951, 8470, 9902, 16940, 19804, 24755, 34657, 49510, 54461, 69314, 99020, 108922, 138628, 173285, 217844, 272305, 346570, 381227, 544610, 599071, 693140, 762454, 1089220, 1198142, 1524908, 1906135, 2396284, 2995355, 3812270, 4193497, 5990710, 7624540, 8386994, 11981420, 16773988, 20967485, 41934970, 83869940]

約数ペア:

[(1, 83869940), (2, 41934970), (4, 20967485), (5, 16773988), (7, 11981420), (10, 8386994), (11, 7624540), (14, 5990710), (20, 4193497), (22, 3812270), (28, 2995355), (35, 2396284), (44, 1906135), (55, 1524908), (70, 1198142), (77, 1089220), (110, 762454), (121, 693140), (140, 599071), (154, 544610), (220, 381227), (242, 346570), (308, 272305), (385, 217844), (484, 173285), (605, 138628), (770, 108922), (847, 99020), (1210, 69314), (1540, 54461), (1694, 49510), (2420, 34657), (3388, 24755), (4235, 19804), (4951, 16940), (8470, 9902)]