88172840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{314903}}^1$

素因数の和:314921

約数の個数: 32

約数和(自身を含む): 226730880

約数和(自身を除く): 138558040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 314903, 629806, 1259612, 1574515, 2204321, 2519224, 3149030, 4408642, 6298060, 8817284, 11021605, 12596120, 17634568, 22043210, 44086420, 88172840]

約数ペア:

[(1, 88172840), (2, 44086420), (4, 22043210), (5, 17634568), (7, 12596120), (8, 11021605), (10, 8817284), (14, 6298060), (20, 4408642), (28, 3149030), (35, 2519224), (40, 2204321), (56, 1574515), (70, 1259612), (140, 629806), (280, 314903)]