999243520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70969}}^1$

素因数の和:71001

約数の個数: 72

約数和(自身を含む): 2611128240

約数和(自身を除く): 1611884720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 70969, 141938, 283876, 354845, 567752, 709690, 780659, 1135504, 1419380, 1561318, 2271008, 2838760, 3122636, 3903295, 4542016, 5677520, 6245272, 7806590, 9084032, 11355040, 12490544, 15613180, 18168064, 22710080, 24981088, 31226360, 45420160, 49962176, 62452720, 90840320, 99924352, 124905440, 199848704, 249810880, 499621760, 999243520]

約数ペア:

[(1, 999243520), (2, 499621760), (4, 249810880), (5, 199848704), (8, 124905440), (10, 99924352), (11, 90840320), (16, 62452720), (20, 49962176), (22, 45420160), (32, 31226360), (40, 24981088), (44, 22710080), (55, 18168064), (64, 15613180), (80, 12490544), (88, 11355040), (110, 9084032), (128, 7806590), (160, 6245272), (176, 5677520), (220, 4542016), (256, 3903295), (320, 3122636), (352, 2838760), (440, 2271008), (640, 1561318), (704, 1419380), (880, 1135504), (1280, 780659), (1408, 709690), (1760, 567752), (2816, 354845), (3520, 283876), (7040, 141938), (14080, 70969)]