249745610

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{4451}}^1$

素因数の和:4670

約数の個数: 32

約数和(自身を含む): 466712064

約数和(自身を除く): 216966454

約数列:

[1, 2, 5, 10, 31, 62, 155, 181, 310, 362, 905, 1810, 4451, 5611, 8902, 11222, 22255, 28055, 44510, 56110, 137981, 275962, 689905, 805631, 1379810, 1611262, 4028155, 8056310, 24974561, 49949122, 124872805, 249745610]

約数ペア:

[(1, 249745610), (2, 124872805), (5, 49949122), (10, 24974561), (31, 8056310), (62, 4028155), (155, 1611262), (181, 1379810), (310, 805631), (362, 689905), (905, 275962), (1810, 137981), (4451, 56110), (5611, 44510), (8902, 28055), (11222, 22255)]