385639040

素因数分解:

$2^7\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1549}}^1$

素因数の和:1957

約数の個数: 64

約数和(自身を含む): 924885000

約数和(自身を除く): 539245960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 389, 640, 778, 1549, 1556, 1945, 3098, 3112, 3890, 6196, 6224, 7745, 7780, 12392, 12448, 15490, 15560, 24784, 24896, 30980, 31120, 49568, 49792, 61960, 62240, 99136, 123920, 124480, 198272, 247840, 248960, 495680, 602561, 991360, 1205122, 2410244, 3012805, 4820488, 6025610, 9640976, 12051220, 19281952, 24102440, 38563904, 48204880, 77127808, 96409760, 192819520, 385639040]

約数ペア:

[(1, 385639040), (2, 192819520), (4, 96409760), (5, 77127808), (8, 48204880), (10, 38563904), (16, 24102440), (20, 19281952), (32, 12051220), (40, 9640976), (64, 6025610), (80, 4820488), (128, 3012805), (160, 2410244), (320, 1205122), (389, 991360), (640, 602561), (778, 495680), (1549, 248960), (1556, 247840), (1945, 198272), (3098, 124480), (3112, 123920), (3890, 99136), (6196, 62240), (6224, 61960), (7745, 49792), (7780, 49568), (12392, 31120), (12448, 30980), (15490, 24896), (15560, 24784)]