121458890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{4327}}^1$

素因数の和:4742

約数の個数: 32

約数和(自身を含む): 250539264

約数和(自身を除く): 129080374

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 802, 2005, 2807, 4010, 4327, 5614, 8654, 14035, 21635, 28070, 30289, 43270, 60578, 151445, 302890, 1735127, 3470254, 8675635, 12145889, 17351270, 24291778, 60729445, 121458890]

約数ペア:

[(1, 121458890), (2, 60729445), (5, 24291778), (7, 17351270), (10, 12145889), (14, 8675635), (35, 3470254), (70, 1735127), (401, 302890), (802, 151445), (2005, 60578), (2807, 43270), (4010, 30289), (4327, 28070), (5614, 21635), (8654, 14035)]