987282340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{50423}}^1$

素因数の和:50532

約数の個数: 48

約数和(自身を含む): 2287232640

約数和(自身を除く): 1299950300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 19580, 50423, 100846, 201692, 252115, 504230, 554653, 1008460, 1109306, 2218612, 2773265, 4487647, 5546530, 8975294, 11093060, 17950588, 22438235, 44876470, 49364117, 89752940, 98728234, 197456468, 246820585, 493641170, 987282340]

約数ペア:

[(1, 987282340), (2, 493641170), (4, 246820585), (5, 197456468), (10, 98728234), (11, 89752940), (20, 49364117), (22, 44876470), (44, 22438235), (55, 17950588), (89, 11093060), (110, 8975294), (178, 5546530), (220, 4487647), (356, 2773265), (445, 2218612), (890, 1109306), (979, 1008460), (1780, 554653), (1958, 504230), (3916, 252115), (4895, 201692), (9790, 100846), (19580, 50423)]