207357880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{877}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 489291840

約数和(自身を除く): 281933960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 257, 460, 514, 877, 920, 1028, 1285, 1754, 2056, 2570, 3508, 4385, 5140, 5911, 7016, 8770, 10280, 11822, 17540, 20171, 23644, 29555, 35080, 40342, 47288, 59110, 80684, 100855, 118220, 161368, 201710, 225389, 236440, 403420, 450778, 806840, 901556, 1126945, 1803112, 2253890, 4507780, 5183947, 9015560, 10367894, 20735788, 25919735, 41471576, 51839470, 103678940, 207357880]

約数ペア:

[(1, 207357880), (2, 103678940), (4, 51839470), (5, 41471576), (8, 25919735), (10, 20735788), (20, 10367894), (23, 9015560), (40, 5183947), (46, 4507780), (92, 2253890), (115, 1803112), (184, 1126945), (230, 901556), (257, 806840), (460, 450778), (514, 403420), (877, 236440), (920, 225389), (1028, 201710), (1285, 161368), (1754, 118220), (2056, 100855), (2570, 80684), (3508, 59110), (4385, 47288), (5140, 40342), (5911, 35080), (7016, 29555), (8770, 23644), (10280, 20171), (11822, 17540)]