189958785520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{339212117}}^1$

素因数の和:339212137

約数の個数: 40

約数和(自身を含む): 504747631584

約数和(自身を除く): 314788846064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 339212117, 678424234, 1356848468, 1696060585, 2374484819, 2713696936, 3392121170, 4748969638, 5427393872, 6784242340, 9497939276, 11872424095, 13568484680, 18995878552, 23744848190, 27136969360, 37991757104, 47489696380, 94979392760, 189958785520]

約数ペア:

[(1, 189958785520), (2, 94979392760), (4, 47489696380), (5, 37991757104), (7, 27136969360), (8, 23744848190), (10, 18995878552), (14, 13568484680), (16, 11872424095), (20, 9497939276), (28, 6784242340), (35, 5427393872), (40, 4748969638), (56, 3392121170), (70, 2713696936), (80, 2374484819), (112, 1696060585), (140, 1356848468), (280, 678424234), (560, 339212117)]