788383480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{1447}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 1815618240

約数和(自身を除く): 1027234760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 257, 265, 424, 514, 530, 1028, 1060, 1285, 1447, 2056, 2120, 2570, 2894, 5140, 5788, 7235, 10280, 11576, 13621, 14470, 27242, 28940, 54484, 57880, 68105, 76691, 108968, 136210, 153382, 272420, 306764, 371879, 383455, 544840, 613528, 743758, 766910, 1487516, 1533820, 1859395, 2975032, 3067640, 3718790, 7437580, 14875160, 19709587, 39419174, 78838348, 98547935, 157676696, 197095870, 394191740, 788383480]

約数ペア:

[(1, 788383480), (2, 394191740), (4, 197095870), (5, 157676696), (8, 98547935), (10, 78838348), (20, 39419174), (40, 19709587), (53, 14875160), (106, 7437580), (212, 3718790), (257, 3067640), (265, 2975032), (424, 1859395), (514, 1533820), (530, 1487516), (1028, 766910), (1060, 743758), (1285, 613528), (1447, 544840), (2056, 383455), (2120, 371879), (2570, 306764), (2894, 272420), (5140, 153382), (5788, 136210), (7235, 108968), (10280, 76691), (11576, 68105), (13621, 57880), (14470, 54484), (27242, 28940)]