996824949100

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{857}}^1\times {\mathrm{45259}}^1$

素因数の和:46387

約数の個数: 72

約数和(自身を含む): 2174108816880

約数和(自身を除く): 1177283867780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 857, 1028, 1285, 1714, 2570, 3428, 4285, 5140, 6425, 8570, 12850, 17140, 21425, 25700, 42850, 45259, 85700, 90518, 181036, 220249, 226295, 440498, 452590, 880996, 905180, 1101245, 1131475, 2202490, 2262950, 4404980, 4525900, 5506225, 11012450, 11631563, 22024900, 23263126, 38786963, 46526252, 58157815, 77573926, 116315630, 155147852, 193934815, 232631260, 290789075, 387869630, 581578150, 775739260, 969674075, 1163156300, 1939348150, 3878696300, 9968249491, 19936498982, 39872997964, 49841247455, 99682494910, 199364989820, 249206237275, 498412474550, 996824949100]

約数ペア:

[(1, 996824949100), (2, 498412474550), (4, 249206237275), (5, 199364989820), (10, 99682494910), (20, 49841247455), (25, 39872997964), (50, 19936498982), (100, 9968249491), (257, 3878696300), (514, 1939348150), (857, 1163156300), (1028, 969674075), (1285, 775739260), (1714, 581578150), (2570, 387869630), (3428, 290789075), (4285, 232631260), (5140, 193934815), (6425, 155147852), (8570, 116315630), (12850, 77573926), (17140, 58157815), (21425, 46526252), (25700, 38786963), (42850, 23263126), (45259, 22024900), (85700, 11631563), (90518, 11012450), (181036, 5506225), (220249, 4525900), (226295, 4404980), (440498, 2262950), (452590, 2202490), (880996, 1131475), (905180, 1101245)]