394831120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{290317}}^1$

素因数の和:290347

約数の個数: 40

約数和(自身を含む): 971984664

約数和(自身を除く): 577153544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 290317, 580634, 1161268, 1451585, 2322536, 2903170, 4645072, 4935389, 5806340, 9870778, 11612680, 19741556, 23225360, 24676945, 39483112, 49353890, 78966224, 98707780, 197415560, 394831120]

約数ペア:

[(1, 394831120), (2, 197415560), (4, 98707780), (5, 78966224), (8, 49353890), (10, 39483112), (16, 24676945), (17, 23225360), (20, 19741556), (34, 11612680), (40, 9870778), (68, 5806340), (80, 4935389), (85, 4645072), (136, 2903170), (170, 2322536), (272, 1451585), (340, 1161268), (680, 580634), (1360, 290317)]