28793940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 92897280

約数和(自身を除く): 64103340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 179, 210, 358, 383, 420, 537, 716, 766, 895, 1074, 1149, 1253, 1532, 1790, 1915, 2148, 2298, 2506, 2681, 2685, 3580, 3759, 3830, 4596, 5012, 5362, 5370, 5745, 6265, 7518, 7660, 8043, 10724, 10740, 11490, 12530, 13405, 15036, 16086, 18795, 22980, 25060, 26810, 32172, 37590, 40215, 53620, 68557, 75180, 80430, 137114, 160860, 205671, 274228, 342785, 411342, 479899, 685570, 822684, 959798, 1028355, 1371140, 1439697, 1919596, 2056710, 2399495, 2879394, 4113420, 4798990, 5758788, 7198485, 9597980, 14396970, 28793940]

約数ペア:

[(1, 28793940), (2, 14396970), (3, 9597980), (4, 7198485), (5, 5758788), (6, 4798990), (7, 4113420), (10, 2879394), (12, 2399495), (14, 2056710), (15, 1919596), (20, 1439697), (21, 1371140), (28, 1028355), (30, 959798), (35, 822684), (42, 685570), (60, 479899), (70, 411342), (84, 342785), (105, 274228), (140, 205671), (179, 160860), (210, 137114), (358, 80430), (383, 75180), (420, 68557), (537, 53620), (716, 40215), (766, 37590), (895, 32172), (1074, 26810), (1149, 25060), (1253, 22980), (1532, 18795), (1790, 16086), (1915, 15036), (2148, 13405), (2298, 12530), (2506, 11490), (2681, 10740), (2685, 10724), (3580, 8043), (3759, 7660), (3830, 7518), (4596, 6265), (5012, 5745), (5362, 5370)]