281500620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{275981}}^1$

素因数の和:276010

約数の個数: 48

約数和(自身を含む): 834569568

約数和(自身を除く): 553068948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 275981, 551962, 827943, 1103924, 1379905, 1655886, 2759810, 3311772, 4139715, 4691677, 5519620, 8279430, 9383354, 14075031, 16558860, 18766708, 23458385, 28150062, 46916770, 56300124, 70375155, 93833540, 140750310, 281500620]

約数ペア:

[(1, 281500620), (2, 140750310), (3, 93833540), (4, 70375155), (5, 56300124), (6, 46916770), (10, 28150062), (12, 23458385), (15, 18766708), (17, 16558860), (20, 14075031), (30, 9383354), (34, 8279430), (51, 5519620), (60, 4691677), (68, 4139715), (85, 3311772), (102, 2759810), (170, 1655886), (204, 1379905), (255, 1103924), (340, 827943), (510, 551962), (1020, 275981)]