312858940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{5051}}^1$

素因数の和:5242

約数の個数: 48

約数和(自身を含む): 695963520

約数和(自身を除く): 383104580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 815, 1630, 3097, 3260, 5051, 6194, 10102, 12388, 15485, 20204, 25255, 30970, 50510, 61940, 95969, 101020, 191938, 383876, 479845, 823313, 959690, 1646626, 1919380, 3293252, 4116565, 8233130, 15642947, 16466260, 31285894, 62571788, 78214735, 156429470, 312858940]

約数ペア:

[(1, 312858940), (2, 156429470), (4, 78214735), (5, 62571788), (10, 31285894), (19, 16466260), (20, 15642947), (38, 8233130), (76, 4116565), (95, 3293252), (163, 1919380), (190, 1646626), (326, 959690), (380, 823313), (652, 479845), (815, 383876), (1630, 191938), (3097, 101020), (3260, 95969), (5051, 61940), (6194, 50510), (10102, 30970), (12388, 25255), (15485, 20204)]