73997980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{977}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 178105536

約数和(自身を除く): 104107556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 541, 977, 1082, 1954, 2164, 2705, 3787, 3908, 4885, 5410, 6839, 7574, 9770, 10820, 13678, 15148, 18935, 19540, 27356, 34195, 37870, 68390, 75740, 136780, 528557, 1057114, 2114228, 2642785, 3699899, 5285570, 7399798, 10571140, 14799596, 18499495, 36998990, 73997980]

約数ペア:

[(1, 73997980), (2, 36998990), (4, 18499495), (5, 14799596), (7, 10571140), (10, 7399798), (14, 5285570), (20, 3699899), (28, 2642785), (35, 2114228), (70, 1057114), (140, 528557), (541, 136780), (977, 75740), (1082, 68390), (1954, 37870), (2164, 34195), (2705, 27356), (3787, 19540), (3908, 18935), (4885, 15148), (5410, 13678), (6839, 10820), (7574, 9770)]