128853860

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 275014656

約数和(自身を除く): 146160796

約数列:

[1, 2, 4, 5, 10, 20, 167, 173, 223, 334, 346, 446, 668, 692, 835, 865, 892, 1115, 1670, 1730, 2230, 3340, 3460, 4460, 28891, 37241, 38579, 57782, 74482, 77158, 115564, 144455, 148964, 154316, 186205, 192895, 288910, 372410, 385790, 577820, 744820, 771580, 6442693, 12885386, 25770772, 32213465, 64426930, 128853860]

約数ペア:

[(1, 128853860), (2, 64426930), (4, 32213465), (5, 25770772), (10, 12885386), (20, 6442693), (167, 771580), (173, 744820), (223, 577820), (334, 385790), (346, 372410), (446, 288910), (668, 192895), (692, 186205), (835, 154316), (865, 148964), (892, 144455), (1115, 115564), (1670, 77158), (1730, 74482), (2230, 57782), (3340, 38579), (3460, 37241), (4460, 28891)]