858493880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1262491}}^1$

素因数の和:1262519

約数の個数: 32

約数和(自身を含む): 2045237040

約数和(自身を除く): 1186743160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1262491, 2524982, 5049964, 6312455, 10099928, 12624910, 21462347, 25249820, 42924694, 50499640, 85849388, 107311735, 171698776, 214623470, 429246940, 858493880]

約数ペア:

[(1, 858493880), (2, 429246940), (4, 214623470), (5, 171698776), (8, 107311735), (10, 85849388), (17, 50499640), (20, 42924694), (34, 25249820), (40, 21462347), (68, 12624910), (85, 10099928), (136, 6312455), (170, 5049964), (340, 2524982), (680, 1262491)]