179196020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 384646080

約数和(自身を除く): 205450060

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 278, 292, 365, 556, 695, 730, 883, 1390, 1460, 1766, 2780, 3532, 4415, 8830, 10147, 17660, 20294, 40588, 50735, 64459, 101470, 122737, 128918, 202940, 245474, 257836, 322295, 490948, 613685, 644590, 1227370, 1289180, 2454740, 8959801, 17919602, 35839204, 44799005, 89598010, 179196020]

約数ペア:

[(1, 179196020), (2, 89598010), (4, 44799005), (5, 35839204), (10, 17919602), (20, 8959801), (73, 2454740), (139, 1289180), (146, 1227370), (278, 644590), (292, 613685), (365, 490948), (556, 322295), (695, 257836), (730, 245474), (883, 202940), (1390, 128918), (1460, 122737), (1766, 101470), (2780, 64459), (3532, 50735), (4415, 40588), (8830, 20294), (10147, 17660)]