254339320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{883}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 604656000

約数和(自身を除く): 350316680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 379, 380, 758, 760, 883, 1516, 1766, 1895, 3032, 3532, 3790, 4415, 7064, 7201, 7580, 8830, 14402, 15160, 16777, 17660, 28804, 33554, 35320, 36005, 57608, 67108, 72010, 83885, 134216, 144020, 167770, 288040, 334657, 335540, 669314, 671080, 1338628, 1673285, 2677256, 3346570, 6358483, 6693140, 12716966, 13386280, 25433932, 31792415, 50867864, 63584830, 127169660, 254339320]

約数ペア:

[(1, 254339320), (2, 127169660), (4, 63584830), (5, 50867864), (8, 31792415), (10, 25433932), (19, 13386280), (20, 12716966), (38, 6693140), (40, 6358483), (76, 3346570), (95, 2677256), (152, 1673285), (190, 1338628), (379, 671080), (380, 669314), (758, 335540), (760, 334657), (883, 288040), (1516, 167770), (1766, 144020), (1895, 134216), (3032, 83885), (3532, 72010), (3790, 67108), (4415, 57608), (7064, 36005), (7201, 35320), (7580, 33554), (8830, 28804), (14402, 17660), (15160, 16777)]