209898410

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1\times {\mathrm{997}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 389100240

約数和(自身を除く): 179201830

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 569, 997, 1138, 1994, 2845, 4985, 5690, 9970, 21053, 36889, 42106, 73778, 105265, 184445, 210530, 368890, 567293, 1134586, 2836465, 5672930, 20989841, 41979682, 104949205, 209898410]

約数ペア:

[(1, 209898410), (2, 104949205), (5, 41979682), (10, 20989841), (37, 5672930), (74, 2836465), (185, 1134586), (370, 567293), (569, 368890), (997, 210530), (1138, 184445), (1994, 105265), (2845, 73778), (4985, 42106), (5690, 36889), (9970, 21053)]