2019965110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 3857673600

約数和(自身を除く): 1837708490

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 197, 218, 230, 394, 409, 545, 818, 985, 1090, 1970, 2045, 2507, 4090, 4531, 5014, 9062, 9407, 12535, 18814, 21473, 22655, 25070, 42946, 44581, 45310, 47035, 80573, 89162, 94070, 107365, 161146, 214730, 222905, 402865, 445810, 493879, 805730, 987758, 1025363, 1853179, 2050726, 2469395, 3706358, 4938790, 5126815, 8782457, 9265895, 10253630, 17564914, 18531790, 43912285, 87824570, 201996511, 403993022, 1009982555, 2019965110]

約数ペア:

[(1, 2019965110), (2, 1009982555), (5, 403993022), (10, 201996511), (23, 87824570), (46, 43912285), (109, 18531790), (115, 17564914), (197, 10253630), (218, 9265895), (230, 8782457), (394, 5126815), (409, 4938790), (545, 3706358), (818, 2469395), (985, 2050726), (1090, 1853179), (1970, 1025363), (2045, 987758), (2507, 805730), (4090, 493879), (4531, 445810), (5014, 402865), (9062, 222905), (9407, 214730), (12535, 161146), (18814, 107365), (21473, 94070), (22655, 89162), (25070, 80573), (42946, 47035), (44581, 45310)]