798380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 1935360

約数和(自身を除く): 1136980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 191, 209, 220, 380, 382, 418, 764, 836, 955, 1045, 1910, 2090, 2101, 3629, 3820, 4180, 4202, 7258, 8404, 10505, 14516, 18145, 21010, 36290, 39919, 42020, 72580, 79838, 159676, 199595, 399190, 798380]

約数ペア:

[(1, 798380), (2, 399190), (4, 199595), (5, 159676), (10, 79838), (11, 72580), (19, 42020), (20, 39919), (22, 36290), (38, 21010), (44, 18145), (55, 14516), (76, 10505), (95, 8404), (110, 7258), (190, 4202), (191, 4180), (209, 3820), (220, 3629), (380, 2101), (382, 2090), (418, 1910), (764, 1045), (836, 955)]