281736370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1543}}^1$

素因数の和:1631

約数の個数: 48

約数和(自身を含む): 551949120

約数和(自身を除く): 270212750

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 961, 1178, 1543, 1922, 2945, 3086, 4805, 5890, 7715, 9610, 15430, 18259, 29317, 36518, 47833, 58634, 91295, 95666, 146585, 182590, 239165, 293170, 478330, 908827, 1482823, 1817654, 2965646, 4544135, 7414115, 9088270, 14828230, 28173637, 56347274, 140868185, 281736370]

約数ペア:

[(1, 281736370), (2, 140868185), (5, 56347274), (10, 28173637), (19, 14828230), (31, 9088270), (38, 7414115), (62, 4544135), (95, 2965646), (155, 1817654), (190, 1482823), (310, 908827), (589, 478330), (961, 293170), (1178, 239165), (1543, 182590), (1922, 146585), (2945, 95666), (3086, 91295), (4805, 58634), (5890, 47833), (7715, 36518), (9610, 29317), (15430, 18259)]