1284157060

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1\times {\mathrm{761}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 2724180480

約数和(自身を除く): 1440023420

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 607, 695, 761, 1214, 1390, 1522, 2428, 2780, 3035, 3044, 3805, 6070, 7610, 12140, 15220, 84373, 105779, 168746, 211558, 337492, 421865, 423116, 461927, 528895, 843730, 923854, 1057790, 1687460, 1847708, 2115580, 2309635, 4619270, 9238540, 64207853, 128415706, 256831412, 321039265, 642078530, 1284157060]

約数ペア:

[(1, 1284157060), (2, 642078530), (4, 321039265), (5, 256831412), (10, 128415706), (20, 64207853), (139, 9238540), (278, 4619270), (556, 2309635), (607, 2115580), (695, 1847708), (761, 1687460), (1214, 1057790), (1390, 923854), (1522, 843730), (2428, 528895), (2780, 461927), (3035, 423116), (3044, 421865), (3805, 337492), (6070, 211558), (7610, 168746), (12140, 105779), (15220, 84373)]