219322960

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{34703}}^1$

素因数の和:34795

約数の個数: 40

約数和(自身を含む): 516395520

約数和(自身を除く): 297072560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 34703, 69406, 138812, 173515, 277624, 347030, 555248, 694060, 1388120, 2741537, 2776240, 5483074, 10966148, 13707685, 21932296, 27415370, 43864592, 54830740, 109661480, 219322960]

約数ペア:

[(1, 219322960), (2, 109661480), (4, 54830740), (5, 43864592), (8, 27415370), (10, 21932296), (16, 13707685), (20, 10966148), (40, 5483074), (79, 2776240), (80, 2741537), (158, 1388120), (316, 694060), (395, 555248), (632, 347030), (790, 277624), (1264, 173515), (1580, 138812), (3160, 69406), (6320, 34703)]