221436500

素因数分解:

$2^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{4139}}^1$

素因数の和:4265

約数の個数: 48

約数和(自身を含む): 488255040

約数和(自身を除く): 266818540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 214, 250, 428, 500, 535, 1070, 2140, 2675, 4139, 5350, 8278, 10700, 13375, 16556, 20695, 26750, 41390, 53500, 82780, 103475, 206950, 413900, 442873, 517375, 885746, 1034750, 1771492, 2069500, 2214365, 4428730, 8857460, 11071825, 22143650, 44287300, 55359125, 110718250, 221436500]

約数ペア:

[(1, 221436500), (2, 110718250), (4, 55359125), (5, 44287300), (10, 22143650), (20, 11071825), (25, 8857460), (50, 4428730), (100, 2214365), (107, 2069500), (125, 1771492), (214, 1034750), (250, 885746), (428, 517375), (500, 442873), (535, 413900), (1070, 206950), (2140, 103475), (2675, 82780), (4139, 53500), (5350, 41390), (8278, 26750), (10700, 20695), (13375, 16556)]