390652020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197299}}^1$

素因数の和:197325

約数の個数: 72

約数和(自身を含む): 1292709600

約数和(自身を除く): 902057580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 197299, 394598, 591897, 789196, 986495, 1183794, 1775691, 1972990, 2170289, 2367588, 2959485, 3551382, 3945980, 4340578, 5918970, 6510867, 7102764, 8681156, 8878455, 10851445, 11837940, 13021734, 17756910, 19532601, 21702890, 26043468, 32554335, 35513820, 39065202, 43405780, 65108670, 78130404, 97663005, 130217340, 195326010, 390652020]

約数ペア:

[(1, 390652020), (2, 195326010), (3, 130217340), (4, 97663005), (5, 78130404), (6, 65108670), (9, 43405780), (10, 39065202), (11, 35513820), (12, 32554335), (15, 26043468), (18, 21702890), (20, 19532601), (22, 17756910), (30, 13021734), (33, 11837940), (36, 10851445), (44, 8878455), (45, 8681156), (55, 7102764), (60, 6510867), (66, 5918970), (90, 4340578), (99, 3945980), (110, 3551382), (132, 2959485), (165, 2367588), (180, 2170289), (198, 1972990), (220, 1775691), (330, 1183794), (396, 986495), (495, 789196), (660, 591897), (990, 394598), (1980, 197299)]