777725860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{120391}}^1$

素因数の和:120436

約数の個数: 48

約数和(自身を含む): 1820327040

約数和(自身を除く): 1042601180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 120391, 240782, 481564, 601955, 1203910, 2046647, 2287429, 2407820, 4093294, 4574858, 8186588, 9149716, 10233235, 11437145, 20466470, 22874290, 38886293, 40932940, 45748580, 77772586, 155545172, 194431465, 388862930, 777725860]

約数ペア:

[(1, 777725860), (2, 388862930), (4, 194431465), (5, 155545172), (10, 77772586), (17, 45748580), (19, 40932940), (20, 38886293), (34, 22874290), (38, 20466470), (68, 11437145), (76, 10233235), (85, 9149716), (95, 8186588), (170, 4574858), (190, 4093294), (323, 2407820), (340, 2287429), (380, 2046647), (646, 1203910), (1292, 601955), (1615, 481564), (3230, 240782), (6460, 120391)]