279681340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229247}}^1$

素因数の和:229317

約数の個数: 24

約数和(自身を含む): 596961792

約数和(自身を除く): 317280452

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 229247, 458494, 916988, 1146235, 2292470, 4584940, 13984067, 27968134, 55936268, 69920335, 139840670, 279681340]

約数ペア:

[(1, 279681340), (2, 139840670), (4, 69920335), (5, 55936268), (10, 27968134), (20, 13984067), (61, 4584940), (122, 2292470), (244, 1146235), (305, 916988), (610, 458494), (1220, 229247)]