209574040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6607}}^1$

素因数の和:6692

約数の個数: 64

約数和(自身を含む): 516216960

約数和(自身を除く): 306642920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 6344, 6607, 7930, 13214, 15860, 26428, 31720, 33035, 52856, 66070, 85891, 132140, 171782, 264280, 343564, 403027, 429455, 687128, 806054, 858910, 1612108, 1717820, 2015135, 3224216, 3435640, 4030270, 5239351, 8060540, 10478702, 16121080, 20957404, 26196755, 41914808, 52393510, 104787020, 209574040]

約数ペア:

[(1, 209574040), (2, 104787020), (4, 52393510), (5, 41914808), (8, 26196755), (10, 20957404), (13, 16121080), (20, 10478702), (26, 8060540), (40, 5239351), (52, 4030270), (61, 3435640), (65, 3224216), (104, 2015135), (122, 1717820), (130, 1612108), (244, 858910), (260, 806054), (305, 687128), (488, 429455), (520, 403027), (610, 343564), (793, 264280), (1220, 171782), (1586, 132140), (2440, 85891), (3172, 66070), (3965, 52856), (6344, 33035), (6607, 31720), (7930, 26428), (13214, 15860)]