1277893540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{118543}}^1$

素因数の和:118577

約数の個数: 72

約数和(自身を含む): 3405532032

約数和(自身を除く): 2127638492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 118543, 237086, 474172, 592715, 829801, 1185430, 1303973, 1659602, 2370860, 2607946, 3319204, 4149005, 5215892, 5808607, 6519865, 8298010, 9127811, 11617214, 13039730, 16596020, 18255622, 23234428, 26079460, 29043035, 36511244, 45639055, 58086070, 63894677, 91278110, 116172140, 127789354, 182556220, 255578708, 319473385, 638946770, 1277893540]

約数ペア:

[(1, 1277893540), (2, 638946770), (4, 319473385), (5, 255578708), (7, 182556220), (10, 127789354), (11, 116172140), (14, 91278110), (20, 63894677), (22, 58086070), (28, 45639055), (35, 36511244), (44, 29043035), (49, 26079460), (55, 23234428), (70, 18255622), (77, 16596020), (98, 13039730), (110, 11617214), (140, 9127811), (154, 8298010), (196, 6519865), (220, 5808607), (245, 5215892), (308, 4149005), (385, 3319204), (490, 2607946), (539, 2370860), (770, 1659602), (980, 1303973), (1078, 1185430), (1540, 829801), (2156, 592715), (2695, 474172), (5390, 237086), (10780, 118543)]