890406440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41299}}^1$

素因数の和:41335

約数の個数: 96

約数和(自身を含む): 2542428000

約数和(自身を除く): 1652021560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 10780, 21560, 41299, 82598, 165196, 206495, 289093, 330392, 412990, 454289, 578186, 825980, 908578, 1156372, 1445465, 1651960, 1817156, 2023651, 2271445, 2312744, 2890930, 3180023, 3634312, 4047302, 4542890, 5781860, 6360046, 8094604, 9085780, 10118255, 11563720, 12720092, 15900115, 16189208, 18171560, 20236510, 22260161, 25440184, 31800230, 40473020, 44520322, 63600460, 80946040, 89040644, 111300805, 127200920, 178081288, 222601610, 445203220, 890406440]

約数ペア:

[(1, 890406440), (2, 445203220), (4, 222601610), (5, 178081288), (7, 127200920), (8, 111300805), (10, 89040644), (11, 80946040), (14, 63600460), (20, 44520322), (22, 40473020), (28, 31800230), (35, 25440184), (40, 22260161), (44, 20236510), (49, 18171560), (55, 16189208), (56, 15900115), (70, 12720092), (77, 11563720), (88, 10118255), (98, 9085780), (110, 8094604), (140, 6360046), (154, 5781860), (196, 4542890), (220, 4047302), (245, 3634312), (280, 3180023), (308, 2890930), (385, 2312744), (392, 2271445), (440, 2023651), (490, 1817156), (539, 1651960), (616, 1445465), (770, 1156372), (980, 908578), (1078, 825980), (1540, 578186), (1960, 454289), (2156, 412990), (2695, 330392), (3080, 289093), (4312, 206495), (5390, 165196), (10780, 82598), (21560, 41299)]