890471230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1597}}^1$

素因数の和:1789

約数の個数: 64

約数和(自身を含む): 1810060992

約数和(自身を除く): 919589762

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 137, 185, 274, 370, 407, 685, 814, 1370, 1507, 1597, 2035, 3014, 3194, 4070, 5069, 7535, 7985, 10138, 15070, 15970, 17567, 25345, 35134, 50690, 55759, 59089, 87835, 111518, 118178, 175670, 218789, 278795, 295445, 437578, 557590, 590890, 649979, 1093945, 1299958, 2187890, 2406679, 3249895, 4813358, 6499790, 8095193, 12033395, 16190386, 24066790, 40475965, 80951930, 89047123, 178094246, 445235615, 890471230]

約数ペア:

[(1, 890471230), (2, 445235615), (5, 178094246), (10, 89047123), (11, 80951930), (22, 40475965), (37, 24066790), (55, 16190386), (74, 12033395), (110, 8095193), (137, 6499790), (185, 4813358), (274, 3249895), (370, 2406679), (407, 2187890), (685, 1299958), (814, 1093945), (1370, 649979), (1507, 590890), (1597, 557590), (2035, 437578), (3014, 295445), (3194, 278795), (4070, 218789), (5069, 175670), (7535, 118178), (7985, 111518), (10138, 87835), (15070, 59089), (15970, 55759), (17567, 50690), (25345, 35134)]