1009407890

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{220877}}^1$

素因数の和:221341

約数の個数: 16

約数和(自身を含む): 1820918232

約数和(自身を除く): 811510342

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 220877, 441754, 1104385, 2208770, 100940789, 201881578, 504703945, 1009407890]

約数ペア:

[(1, 1009407890), (2, 504703945), (5, 201881578), (10, 100940789), (457, 2208770), (914, 1104385), (2285, 441754), (4570, 220877)]