9877580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 21954240

約数和(自身を除く): 12076660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 197, 218, 230, 394, 436, 460, 545, 788, 985, 1090, 1970, 2180, 2507, 3940, 4531, 5014, 9062, 10028, 12535, 18124, 21473, 22655, 25070, 42946, 45310, 50140, 85892, 90620, 107365, 214730, 429460, 493879, 987758, 1975516, 2469395, 4938790, 9877580]

約数ペア:

[(1, 9877580), (2, 4938790), (4, 2469395), (5, 1975516), (10, 987758), (20, 493879), (23, 429460), (46, 214730), (92, 107365), (109, 90620), (115, 85892), (197, 50140), (218, 45310), (230, 42946), (394, 25070), (436, 22655), (460, 21473), (545, 18124), (788, 12535), (985, 10028), (1090, 9062), (1970, 5014), (2180, 4531), (2507, 3940)]