3870020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 10342080

約数和(自身を除く): 6472060

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, 359, 385, 490, 539, 718, 770, 980, 1078, 1436, 1540, 1795, 2156, 2513, 2695, 3590, 3949, 5026, 5390, 7180, 7898, 10052, 10780, 12565, 15796, 17591, 19745, 25130, 27643, 35182, 39490, 50260, 55286, 70364, 78980, 87955, 110572, 138215, 175910, 193501, 276430, 351820, 387002, 552860, 774004, 967505, 1935010, 3870020]

約数ペア:

[(1, 3870020), (2, 1935010), (4, 967505), (5, 774004), (7, 552860), (10, 387002), (11, 351820), (14, 276430), (20, 193501), (22, 175910), (28, 138215), (35, 110572), (44, 87955), (49, 78980), (55, 70364), (70, 55286), (77, 50260), (98, 39490), (110, 35182), (140, 27643), (154, 25130), (196, 19745), (220, 17591), (245, 15796), (308, 12565), (359, 10780), (385, 10052), (490, 7898), (539, 7180), (718, 5390), (770, 5026), (980, 3949), (1078, 3590), (1436, 2695), (1540, 2513), (1795, 2156)]