289063910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{3631}}^1$

素因数の和:4076

約数の個数: 32

約数和(自身を含む): 549158400

約数和(自身を除く): 260094490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 419, 838, 2095, 3631, 4190, 7262, 7961, 15922, 18155, 36310, 39805, 68989, 79610, 137978, 344945, 689890, 1521389, 3042778, 7606945, 15213890, 28906391, 57812782, 144531955, 289063910]

約数ペア:

[(1, 289063910), (2, 144531955), (5, 57812782), (10, 28906391), (19, 15213890), (38, 7606945), (95, 3042778), (190, 1521389), (419, 689890), (838, 344945), (2095, 137978), (3631, 79610), (4190, 68989), (7262, 39805), (7961, 36310), (15922, 18155)]