73156220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 157762080

約数和(自身を除く): 84605860

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 563, 730, 890, 1126, 1460, 1780, 2252, 2815, 5630, 6497, 11260, 12994, 25988, 32485, 41099, 50107, 64970, 82198, 100214, 129940, 164396, 200428, 205495, 250535, 410990, 501070, 821980, 1002140, 3657811, 7315622, 14631244, 18289055, 36578110, 73156220]

約数ペア:

[(1, 73156220), (2, 36578110), (4, 18289055), (5, 14631244), (10, 7315622), (20, 3657811), (73, 1002140), (89, 821980), (146, 501070), (178, 410990), (292, 250535), (356, 205495), (365, 200428), (445, 164396), (563, 129940), (730, 100214), (890, 82198), (1126, 64970), (1460, 50107), (1780, 41099), (2252, 32485), (2815, 25988), (5630, 12994), (6497, 11260)]