128858475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 231572480

約数和(自身を除く): 102714005

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 155, 285, 465, 475, 589, 775, 1425, 1767, 2325, 2917, 2945, 8751, 8835, 14585, 14725, 43755, 44175, 55423, 72925, 90427, 166269, 218775, 271281, 277115, 452135, 831345, 1356405, 1385575, 1718113, 2260675, 4156725, 5154339, 6782025, 8590565, 25771695, 42952825, 128858475]

約数ペア:

[(1, 128858475), (3, 42952825), (5, 25771695), (15, 8590565), (19, 6782025), (25, 5154339), (31, 4156725), (57, 2260675), (75, 1718113), (93, 1385575), (95, 1356405), (155, 831345), (285, 452135), (465, 277115), (475, 271281), (589, 218775), (775, 166269), (1425, 90427), (1767, 72925), (2325, 55423), (2917, 44175), (2945, 43755), (8751, 14725), (8835, 14585)]