720297214

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2969}}^1$

素因数の和:3065

約数の個数: 64

約数和(自身を含む): 1405071360

約数和(自身を除く): 684774146

約数列:

[1, 2, 7, 13, 14, 26, 31, 43, 62, 86, 91, 182, 217, 301, 403, 434, 559, 602, 806, 1118, 1333, 2666, 2821, 2969, 3913, 5642, 5938, 7826, 9331, 17329, 18662, 20783, 34658, 38597, 41566, 77194, 92039, 121303, 127667, 184078, 242606, 255334, 270179, 540358, 644273, 893669, 1196507, 1288546, 1659671, 1787338, 2393014, 3319342, 3957677, 7915354, 8375549, 11617697, 16751098, 23235394, 27703739, 51449801, 55407478, 102899602, 360148607, 720297214]

約数ペア:

[(1, 720297214), (2, 360148607), (7, 102899602), (13, 55407478), (14, 51449801), (26, 27703739), (31, 23235394), (43, 16751098), (62, 11617697), (86, 8375549), (91, 7915354), (182, 3957677), (217, 3319342), (301, 2393014), (403, 1787338), (434, 1659671), (559, 1288546), (602, 1196507), (806, 893669), (1118, 644273), (1333, 540358), (2666, 270179), (2821, 255334), (2969, 242606), (3913, 184078), (5642, 127667), (5938, 121303), (7826, 92039), (9331, 77194), (17329, 41566), (18662, 38597), (20783, 34658)]