389366980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1\times {\mathrm{1217}}^1$

素因数の和:2184

約数の個数: 48

約数和(自身を含む): 867401136

約数和(自身を除く): 478034156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 941, 1217, 1882, 2434, 3764, 4705, 4868, 6085, 9410, 12170, 15997, 18820, 20689, 24340, 31994, 41378, 63988, 79985, 82756, 103445, 159970, 206890, 319940, 413780, 1145197, 2290394, 4580788, 5725985, 11451970, 19468349, 22903940, 38936698, 77873396, 97341745, 194683490, 389366980]

約数ペア:

[(1, 389366980), (2, 194683490), (4, 97341745), (5, 77873396), (10, 38936698), (17, 22903940), (20, 19468349), (34, 11451970), (68, 5725985), (85, 4580788), (170, 2290394), (340, 1145197), (941, 413780), (1217, 319940), (1882, 206890), (2434, 159970), (3764, 103445), (4705, 82756), (4868, 79985), (6085, 63988), (9410, 41378), (12170, 31994), (15997, 24340), (18820, 20689)]