10987900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1$

素因数の和:1459

約数の個数: 72

約数和(自身を含む): 29748096

約数和(自身を除く): 18760196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1427, 1540, 1925, 2854, 3850, 5708, 7135, 7700, 9989, 14270, 15697, 19978, 28540, 31394, 35675, 39956, 49945, 62788, 71350, 78485, 99890, 109879, 142700, 156970, 199780, 219758, 249725, 313940, 392425, 439516, 499450, 549395, 784850, 998900, 1098790, 1569700, 2197580, 2746975, 5493950, 10987900]

約数ペア:

[(1, 10987900), (2, 5493950), (4, 2746975), (5, 2197580), (7, 1569700), (10, 1098790), (11, 998900), (14, 784850), (20, 549395), (22, 499450), (25, 439516), (28, 392425), (35, 313940), (44, 249725), (50, 219758), (55, 199780), (70, 156970), (77, 142700), (100, 109879), (110, 99890), (140, 78485), (154, 71350), (175, 62788), (220, 49945), (275, 39956), (308, 35675), (350, 31394), (385, 28540), (550, 19978), (700, 15697), (770, 14270), (1100, 9989), (1427, 7700), (1540, 7135), (1925, 5708), (2854, 3850)]