145445540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{427781}}^1$

素因数の和:427807

約数の個数: 24

約数和(自身を含む): 323403192

約数和(自身を除く): 177957652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 427781, 855562, 1711124, 2138905, 4277810, 7272277, 8555620, 14544554, 29089108, 36361385, 72722770, 145445540]

約数ペア:

[(1, 145445540), (2, 72722770), (4, 36361385), (5, 29089108), (10, 14544554), (17, 8555620), (20, 7272277), (34, 4277810), (68, 2138905), (85, 1711124), (170, 855562), (340, 427781)]