788793820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1\times {\mathrm{739}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 1681303680

約数和(自身を除く): 892509860

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 643, 739, 830, 1286, 1478, 1660, 2572, 2956, 3215, 3695, 6430, 7390, 12860, 14780, 53369, 61337, 106738, 122674, 213476, 245348, 266845, 306685, 475177, 533690, 613370, 950354, 1067380, 1226740, 1900708, 2375885, 4751770, 9503540, 39439691, 78879382, 157758764, 197198455, 394396910, 788793820]

約数ペア:

[(1, 788793820), (2, 394396910), (4, 197198455), (5, 157758764), (10, 78879382), (20, 39439691), (83, 9503540), (166, 4751770), (332, 2375885), (415, 1900708), (643, 1226740), (739, 1067380), (830, 950354), (1286, 613370), (1478, 533690), (1660, 475177), (2572, 306685), (2956, 266845), (3215, 245348), (3695, 213476), (6430, 122674), (7390, 106738), (12860, 61337), (14780, 53369)]