422559980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{1289}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 914124960

約数和(自身を除く): 491564980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 443, 740, 886, 1289, 1772, 2215, 2578, 4430, 5156, 6445, 8860, 12890, 16391, 25780, 32782, 47693, 65564, 81955, 95386, 163910, 190772, 238465, 327820, 476930, 571027, 953860, 1142054, 2284108, 2855135, 5710270, 11420540, 21127999, 42255998, 84511996, 105639995, 211279990, 422559980]

約数ペア:

[(1, 422559980), (2, 211279990), (4, 105639995), (5, 84511996), (10, 42255998), (20, 21127999), (37, 11420540), (74, 5710270), (148, 2855135), (185, 2284108), (370, 1142054), (443, 953860), (740, 571027), (886, 476930), (1289, 327820), (1772, 238465), (2215, 190772), (2578, 163910), (4430, 95386), (5156, 81955), (6445, 65564), (8860, 47693), (12890, 32782), (16391, 25780)]