121974440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{435623}}^1$

素因数の和:435641

約数の個数: 32

約数和(自身を含む): 313649280

約数和(自身を除く): 191674840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 435623, 871246, 1742492, 2178115, 3049361, 3484984, 4356230, 6098722, 8712460, 12197444, 15246805, 17424920, 24394888, 30493610, 60987220, 121974440]

約数ペア:

[(1, 121974440), (2, 60987220), (4, 30493610), (5, 24394888), (7, 17424920), (8, 15246805), (10, 12197444), (14, 8712460), (20, 6098722), (28, 4356230), (35, 3484984), (40, 3049361), (56, 2178115), (70, 1742492), (140, 871246), (280, 435623)]