156719780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8171}}^1$

素因数の和:8324

約数の個数: 48

約数和(自身を含む): 378919296

約数和(自身を除く): 222199516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 8171, 9590, 16342, 19180, 32684, 40855, 57197, 81710, 114394, 163420, 228788, 285985, 571970, 1119427, 1143940, 2238854, 4477708, 5597135, 7835989, 11194270, 15671978, 22388540, 31343956, 39179945, 78359890, 156719780]

約数ペア:

[(1, 156719780), (2, 78359890), (4, 39179945), (5, 31343956), (7, 22388540), (10, 15671978), (14, 11194270), (20, 7835989), (28, 5597135), (35, 4477708), (70, 2238854), (137, 1143940), (140, 1119427), (274, 571970), (548, 285985), (685, 228788), (959, 163420), (1370, 114394), (1918, 81710), (2740, 57197), (3836, 40855), (4795, 32684), (8171, 19180), (9590, 16342)]