2002980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 6773760

約数和(自身を除く): 4770780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 251, 266, 285, 380, 399, 420, 502, 532, 570, 665, 753, 798, 1004, 1140, 1255, 1330, 1506, 1596, 1757, 1995, 2510, 2660, 3012, 3514, 3765, 3990, 4769, 5020, 5271, 7028, 7530, 7980, 8785, 9538, 10542, 14307, 15060, 17570, 19076, 21084, 23845, 26355, 28614, 33383, 35140, 47690, 52710, 57228, 66766, 71535, 95380, 100149, 105420, 133532, 143070, 166915, 200298, 286140, 333830, 400596, 500745, 667660, 1001490, 2002980]

約数ペア:

[(1, 2002980), (2, 1001490), (3, 667660), (4, 500745), (5, 400596), (6, 333830), (7, 286140), (10, 200298), (12, 166915), (14, 143070), (15, 133532), (19, 105420), (20, 100149), (21, 95380), (28, 71535), (30, 66766), (35, 57228), (38, 52710), (42, 47690), (57, 35140), (60, 33383), (70, 28614), (76, 26355), (84, 23845), (95, 21084), (105, 19076), (114, 17570), (133, 15060), (140, 14307), (190, 10542), (210, 9538), (228, 8785), (251, 7980), (266, 7530), (285, 7028), (380, 5271), (399, 5020), (420, 4769), (502, 3990), (532, 3765), (570, 3514), (665, 3012), (753, 2660), (798, 2510), (1004, 1995), (1140, 1757), (1255, 1596), (1330, 1506)]