285207940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233777}}^1$

素因数の和:233847

約数の個数: 24

約数和(自身を含む): 608757912

約数和(自身を除く): 323549972

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 233777, 467554, 935108, 1168885, 2337770, 4675540, 14260397, 28520794, 57041588, 71301985, 142603970, 285207940]

約数ペア:

[(1, 285207940), (2, 142603970), (4, 71301985), (5, 57041588), (10, 28520794), (20, 14260397), (61, 4675540), (122, 2337770), (244, 1168885), (305, 935108), (610, 467554), (1220, 233777)]