991336600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1433

約数の個数: 96

約数和(自身を含む): 2399846400

約数和(自身を除く): 1408509800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 127, 155, 200, 248, 254, 310, 508, 620, 635, 775, 1016, 1240, 1259, 1270, 1550, 2518, 2540, 3100, 3175, 3937, 5036, 5080, 6200, 6295, 6350, 7874, 10072, 12590, 12700, 15748, 19685, 25180, 25400, 31475, 31496, 39029, 39370, 50360, 62950, 78058, 78740, 98425, 125900, 156116, 157480, 159893, 195145, 196850, 251800, 312232, 319786, 390290, 393700, 639572, 780580, 787400, 799465, 975725, 1279144, 1561160, 1598930, 1951450, 3197860, 3902900, 3997325, 4956683, 6395720, 7805800, 7994650, 9913366, 15989300, 19826732, 24783415, 31978600, 39653464, 49566830, 99133660, 123917075, 198267320, 247834150, 495668300, 991336600]

約数ペア:

[(1, 991336600), (2, 495668300), (4, 247834150), (5, 198267320), (8, 123917075), (10, 99133660), (20, 49566830), (25, 39653464), (31, 31978600), (40, 24783415), (50, 19826732), (62, 15989300), (100, 9913366), (124, 7994650), (127, 7805800), (155, 6395720), (200, 4956683), (248, 3997325), (254, 3902900), (310, 3197860), (508, 1951450), (620, 1598930), (635, 1561160), (775, 1279144), (1016, 975725), (1240, 799465), (1259, 787400), (1270, 780580), (1550, 639572), (2518, 393700), (2540, 390290), (3100, 319786), (3175, 312232), (3937, 251800), (5036, 196850), (5080, 195145), (6200, 159893), (6295, 157480), (6350, 156116), (7874, 125900), (10072, 98425), (12590, 78740), (12700, 78058), (15748, 62950), (19685, 50360), (25180, 39370), (25400, 39029), (31475, 31496)]