208199320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1213}}^1$

素因数の和:1844

約数の個数: 64

約数和(自身を含む): 536685120

約数和(自身を除く): 328485800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 613, 1213, 1226, 2426, 2452, 3065, 4291, 4852, 4904, 6065, 6130, 8491, 8582, 9704, 12130, 12260, 16982, 17164, 21455, 24260, 24520, 33964, 34328, 42455, 42910, 48520, 67928, 84910, 85820, 169820, 171640, 339640, 743569, 1487138, 2974276, 3717845, 5204983, 5948552, 7435690, 10409966, 14871380, 20819932, 26024915, 29742760, 41639864, 52049830, 104099660, 208199320]

約数ペア:

[(1, 208199320), (2, 104099660), (4, 52049830), (5, 41639864), (7, 29742760), (8, 26024915), (10, 20819932), (14, 14871380), (20, 10409966), (28, 7435690), (35, 5948552), (40, 5204983), (56, 3717845), (70, 2974276), (140, 1487138), (280, 743569), (613, 339640), (1213, 171640), (1226, 169820), (2426, 85820), (2452, 84910), (3065, 67928), (4291, 48520), (4852, 42910), (4904, 42455), (6065, 34328), (6130, 33964), (8491, 24520), (8582, 24260), (9704, 21455), (12130, 17164), (12260, 16982)]