921887920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2927}}^1$

素因数の和:3098

約数の個数: 80

約数和(自身を含む): 2230714368

約数和(自身を除く): 1308826448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 2032, 2480, 2540, 2927, 3937, 5080, 5854, 7874, 10160, 11708, 14635, 15748, 19685, 23416, 29270, 31496, 39370, 46832, 58540, 62992, 78740, 90737, 117080, 157480, 181474, 234160, 314960, 362948, 371729, 453685, 725896, 743458, 907370, 1451792, 1486916, 1814740, 1858645, 2973832, 3629480, 3717290, 5947664, 7258960, 7434580, 11523599, 14869160, 23047198, 29738320, 46094396, 57617995, 92188792, 115235990, 184377584, 230471980, 460943960, 921887920]

約数ペア:

[(1, 921887920), (2, 460943960), (4, 230471980), (5, 184377584), (8, 115235990), (10, 92188792), (16, 57617995), (20, 46094396), (31, 29738320), (40, 23047198), (62, 14869160), (80, 11523599), (124, 7434580), (127, 7258960), (155, 5947664), (248, 3717290), (254, 3629480), (310, 2973832), (496, 1858645), (508, 1814740), (620, 1486916), (635, 1451792), (1016, 907370), (1240, 743458), (1270, 725896), (2032, 453685), (2480, 371729), (2540, 362948), (2927, 314960), (3937, 234160), (5080, 181474), (5854, 157480), (7874, 117080), (10160, 90737), (11708, 78740), (14635, 62992), (15748, 58540), (19685, 46832), (23416, 39370), (29270, 31496)]