16172380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 39384576

約数和(自身を除く): 23212196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1627, 1988, 2485, 3254, 4970, 6508, 8135, 9940, 11389, 16270, 22778, 32540, 45556, 56945, 113890, 115517, 227780, 231034, 462068, 577585, 808619, 1155170, 1617238, 2310340, 3234476, 4043095, 8086190, 16172380]

約数ペア:

[(1, 16172380), (2, 8086190), (4, 4043095), (5, 3234476), (7, 2310340), (10, 1617238), (14, 1155170), (20, 808619), (28, 577585), (35, 462068), (70, 231034), (71, 227780), (140, 115517), (142, 113890), (284, 56945), (355, 45556), (497, 32540), (710, 22778), (994, 16270), (1420, 11389), (1627, 9940), (1988, 8135), (2485, 6508), (3254, 4970)]