219220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 469224

約数和(自身を除く): 250004

約数列:

[1, 2, 4, 5, 10, 20, 97, 113, 194, 226, 388, 452, 485, 565, 970, 1130, 1940, 2260, 10961, 21922, 43844, 54805, 109610, 219220]

約数ペア:

[(1, 219220), (2, 109610), (4, 54805), (5, 43844), (10, 21922), (20, 10961), (97, 2260), (113, 1940), (194, 1130), (226, 970), (388, 565), (452, 485)]