247980920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563593}}^1$

素因数の和:563615

約数の個数: 32

約数和(自身を含む): 608681520

約数和(自身を除く): 360700600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 563593, 1127186, 2254372, 2817965, 4508744, 5635930, 6199523, 11271860, 12399046, 22543720, 24798092, 30997615, 49596184, 61995230, 123990460, 247980920]

約数ペア:

[(1, 247980920), (2, 123990460), (4, 61995230), (5, 49596184), (8, 30997615), (10, 24798092), (11, 22543720), (20, 12399046), (22, 11271860), (40, 6199523), (44, 5635930), (55, 4508744), (88, 2817965), (110, 2254372), (220, 1127186), (440, 563593)]