221495360

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4001}}^1$

素因数の和:4191

約数の個数: 56

約数和(自身を含む): 530617176

約数和(自身を除く): 309121816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 692, 865, 1384, 1730, 2768, 3460, 4001, 5536, 6920, 8002, 11072, 13840, 16004, 20005, 27680, 32008, 40010, 55360, 64016, 80020, 128032, 160040, 256064, 320080, 640160, 692173, 1280320, 1384346, 2768692, 3460865, 5537384, 6921730, 11074768, 13843460, 22149536, 27686920, 44299072, 55373840, 110747680, 221495360]

約数ペア:

[(1, 221495360), (2, 110747680), (4, 55373840), (5, 44299072), (8, 27686920), (10, 22149536), (16, 13843460), (20, 11074768), (32, 6921730), (40, 5537384), (64, 3460865), (80, 2768692), (160, 1384346), (173, 1280320), (320, 692173), (346, 640160), (692, 320080), (865, 256064), (1384, 160040), (1730, 128032), (2768, 80020), (3460, 64016), (4001, 55360), (5536, 40010), (6920, 32008), (8002, 27680), (11072, 20005), (13840, 16004)]