7740040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 22161600

約数和(自身を除く): 14421560

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, 359, 385, 392, 440, 490, 539, 616, 718, 770, 980, 1078, 1436, 1540, 1795, 1960, 2156, 2513, 2695, 2872, 3080, 3590, 3949, 4312, 5026, 5390, 7180, 7898, 10052, 10780, 12565, 14360, 15796, 17591, 19745, 20104, 21560, 25130, 27643, 31592, 35182, 39490, 50260, 55286, 70364, 78980, 87955, 100520, 110572, 138215, 140728, 157960, 175910, 193501, 221144, 276430, 351820, 387002, 552860, 703640, 774004, 967505, 1105720, 1548008, 1935010, 3870020, 7740040]

約数ペア:

[(1, 7740040), (2, 3870020), (4, 1935010), (5, 1548008), (7, 1105720), (8, 967505), (10, 774004), (11, 703640), (14, 552860), (20, 387002), (22, 351820), (28, 276430), (35, 221144), (40, 193501), (44, 175910), (49, 157960), (55, 140728), (56, 138215), (70, 110572), (77, 100520), (88, 87955), (98, 78980), (110, 70364), (140, 55286), (154, 50260), (196, 39490), (220, 35182), (245, 31592), (280, 27643), (308, 25130), (359, 21560), (385, 20104), (392, 19745), (440, 17591), (490, 15796), (539, 14360), (616, 12565), (718, 10780), (770, 10052), (980, 7898), (1078, 7180), (1436, 5390), (1540, 5026), (1795, 4312), (1960, 3949), (2156, 3590), (2513, 3080), (2695, 2872)]