278319910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{28429}}^1$

素因数の和:28536

約数の個数: 32

約数和(自身を含む): 552679200

約数和(自身を除く): 274359290

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 28429, 56858, 142145, 284290, 312719, 625438, 1563595, 2530181, 3127190, 5060362, 12650905, 25301810, 27831991, 55663982, 139159955, 278319910]

約数ペア:

[(1, 278319910), (2, 139159955), (5, 55663982), (10, 27831991), (11, 25301810), (22, 12650905), (55, 5060362), (89, 3127190), (110, 2530181), (178, 1563595), (445, 625438), (890, 312719), (979, 284290), (1958, 142145), (4895, 56858), (9790, 28429)]