239787990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204947}}^1$

素因数の和:204973

約数の個数: 48

約数和(自身を含む): 671409648

約数和(自身を除く): 431621658

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 204947, 409894, 614841, 1024735, 1229682, 1844523, 2049470, 2664311, 3074205, 3689046, 5328622, 6148410, 7992933, 9222615, 13321555, 15985866, 18445230, 23978799, 26643110, 39964665, 47957598, 79929330, 119893995, 239787990]

約数ペア:

[(1, 239787990), (2, 119893995), (3, 79929330), (5, 47957598), (6, 39964665), (9, 26643110), (10, 23978799), (13, 18445230), (15, 15985866), (18, 13321555), (26, 9222615), (30, 7992933), (39, 6148410), (45, 5328622), (65, 3689046), (78, 3074205), (90, 2664311), (117, 2049470), (130, 1844523), (195, 1229682), (234, 1024735), (390, 614841), (585, 409894), (1170, 204947)]