253363720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{218417}}^1$

素因数の和:218457

約数の個数: 32

約数和(自身を含む): 589728600

約数和(自身を除く): 336364880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 218417, 436834, 873668, 1092085, 1747336, 2184170, 4368340, 6334093, 8736680, 12668186, 25336372, 31670465, 50672744, 63340930, 126681860, 253363720]

約数ペア:

[(1, 253363720), (2, 126681860), (4, 63340930), (5, 50672744), (8, 31670465), (10, 25336372), (20, 12668186), (29, 8736680), (40, 6334093), (58, 4368340), (116, 2184170), (145, 1747336), (232, 1092085), (290, 873668), (580, 436834), (1160, 218417)]