6720786970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{2087}}^1$

素因数の和:3127

約数の個数: 64

約数和(自身を含む): 13503179520

約数和(自身を除く): 6782392550

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 997, 1615, 1994, 2087, 3230, 4174, 4985, 9970, 10435, 16949, 18943, 20870, 33898, 35479, 37886, 39653, 70958, 79306, 84745, 94715, 169490, 177395, 189430, 198265, 322031, 354790, 396530, 644062, 674101, 1348202, 1610155, 2080739, 3220310, 3370505, 4161478, 6741010, 10403695, 20807390, 35372563, 39534041, 70745126, 79068082, 176862815, 197670205, 353725630, 395340410, 672078697, 1344157394, 3360393485, 6720786970]

約数ペア:

[(1, 6720786970), (2, 3360393485), (5, 1344157394), (10, 672078697), (17, 395340410), (19, 353725630), (34, 197670205), (38, 176862815), (85, 79068082), (95, 70745126), (170, 39534041), (190, 35372563), (323, 20807390), (646, 10403695), (997, 6741010), (1615, 4161478), (1994, 3370505), (2087, 3220310), (3230, 2080739), (4174, 1610155), (4985, 1348202), (9970, 674101), (10435, 644062), (16949, 396530), (18943, 354790), (20870, 322031), (33898, 198265), (35479, 189430), (37886, 177395), (39653, 169490), (70958, 94715), (79306, 84745)]