281111840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1162

約数の個数: 96

約数和(自身を含む): 707616000

約数和(自身を除く): 426504160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 89, 95, 152, 160, 178, 190, 304, 356, 380, 445, 608, 712, 760, 890, 1039, 1424, 1520, 1691, 1780, 2078, 2848, 3040, 3382, 3560, 4156, 5195, 6764, 7120, 8312, 8455, 10390, 13528, 14240, 16624, 16910, 19741, 20780, 27056, 33248, 33820, 39482, 41560, 54112, 67640, 78964, 83120, 92471, 98705, 135280, 157928, 166240, 184942, 197410, 270560, 315856, 369884, 394820, 462355, 631712, 739768, 789640, 924710, 1479536, 1579280, 1756949, 1849420, 2959072, 3158560, 3513898, 3698840, 7027796, 7397680, 8784745, 14055592, 14795360, 17569490, 28111184, 35138980, 56222368, 70277960, 140555920, 281111840]

約数ペア:

[(1, 281111840), (2, 140555920), (4, 70277960), (5, 56222368), (8, 35138980), (10, 28111184), (16, 17569490), (19, 14795360), (20, 14055592), (32, 8784745), (38, 7397680), (40, 7027796), (76, 3698840), (80, 3513898), (89, 3158560), (95, 2959072), (152, 1849420), (160, 1756949), (178, 1579280), (190, 1479536), (304, 924710), (356, 789640), (380, 739768), (445, 631712), (608, 462355), (712, 394820), (760, 369884), (890, 315856), (1039, 270560), (1424, 197410), (1520, 184942), (1691, 166240), (1780, 157928), (2078, 135280), (2848, 98705), (3040, 92471), (3382, 83120), (3560, 78964), (4156, 67640), (5195, 54112), (6764, 41560), (7120, 39482), (8312, 33820), (8455, 33248), (10390, 27056), (13528, 20780), (14240, 19741), (16624, 16910)]