621440008

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1861}}^1$

素因数の和:2030

約数の個数: 64

約数和(自身を含む): 1367452800

約数和(自身を除く): 746012792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 89, 134, 178, 268, 356, 469, 536, 623, 712, 938, 1246, 1861, 1876, 2492, 3722, 3752, 4984, 5963, 7444, 11926, 13027, 14888, 23852, 26054, 41741, 47704, 52108, 83482, 104216, 124687, 165629, 166964, 249374, 331258, 333928, 498748, 662516, 872809, 997496, 1159403, 1325032, 1745618, 2318806, 3491236, 4637612, 6982472, 9275224, 11097143, 22194286, 44388572, 77680001, 88777144, 155360002, 310720004, 621440008]

約数ペア:

[(1, 621440008), (2, 310720004), (4, 155360002), (7, 88777144), (8, 77680001), (14, 44388572), (28, 22194286), (56, 11097143), (67, 9275224), (89, 6982472), (134, 4637612), (178, 3491236), (268, 2318806), (356, 1745618), (469, 1325032), (536, 1159403), (623, 997496), (712, 872809), (938, 662516), (1246, 498748), (1861, 333928), (1876, 331258), (2492, 249374), (3722, 166964), (3752, 165629), (4984, 124687), (5963, 104216), (7444, 83482), (11926, 52108), (13027, 47704), (14888, 41741), (23852, 26054)]