289343220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{209669}}^1$

素因数の和:209704

約数の個数: 48

約数和(自身を含む): 845389440

約数和(自身を除く): 556046220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 209669, 419338, 629007, 838676, 1048345, 1258014, 2096690, 2516028, 3145035, 4193380, 4822387, 6290070, 9644774, 12580140, 14467161, 19289548, 24111935, 28934322, 48223870, 57868644, 72335805, 96447740, 144671610, 289343220]

約数ペア:

[(1, 289343220), (2, 144671610), (3, 96447740), (4, 72335805), (5, 57868644), (6, 48223870), (10, 28934322), (12, 24111935), (15, 19289548), (20, 14467161), (23, 12580140), (30, 9644774), (46, 6290070), (60, 4822387), (69, 4193380), (92, 3145035), (115, 2516028), (138, 2096690), (230, 1258014), (276, 1048345), (345, 838676), (460, 629007), (690, 419338), (1380, 209669)]