252678340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 568391040

約数和(自身を除く): 315712700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 361, 380, 395, 443, 722, 790, 886, 1444, 1501, 1580, 1772, 1805, 2215, 3002, 3610, 4430, 6004, 7220, 7505, 8417, 8860, 15010, 16834, 28519, 30020, 33668, 34997, 42085, 57038, 69994, 84170, 114076, 139988, 142595, 159923, 168340, 174985, 285190, 319846, 349970, 570380, 639692, 664943, 699940, 799615, 1329886, 1599230, 2659772, 3198460, 3324715, 6649430, 12633917, 13298860, 25267834, 50535668, 63169585, 126339170, 252678340]

約数ペア:

[(1, 252678340), (2, 126339170), (4, 63169585), (5, 50535668), (10, 25267834), (19, 13298860), (20, 12633917), (38, 6649430), (76, 3324715), (79, 3198460), (95, 2659772), (158, 1599230), (190, 1329886), (316, 799615), (361, 699940), (380, 664943), (395, 639692), (443, 570380), (722, 349970), (790, 319846), (886, 285190), (1444, 174985), (1501, 168340), (1580, 159923), (1772, 142595), (1805, 139988), (2215, 114076), (3002, 84170), (3610, 69994), (4430, 57038), (6004, 42085), (7220, 34997), (7505, 33668), (8417, 30020), (8860, 28519), (15010, 16834)]