74101720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 128

約数和(自身を含む): 212544000

約数和(自身を除く): 138442280

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, 343, 385, 392, 440, 490, 491, 539, 616, 686, 770, 980, 982, 1078, 1372, 1540, 1715, 1960, 1964, 2156, 2455, 2695, 2744, 3080, 3430, 3437, 3773, 3928, 4312, 4910, 5390, 5401, 6860, 6874, 7546, 9820, 10780, 10802, 13720, 13748, 15092, 17185, 18865, 19640, 21560, 21604, 24059, 27005, 27496, 30184, 34370, 37730, 37807, 43208, 48118, 54010, 68740, 75460, 75614, 96236, 108020, 120295, 137480, 150920, 151228, 168413, 189035, 192472, 216040, 240590, 264649, 302456, 336826, 378070, 481180, 529298, 673652, 756140, 842065, 962360, 1058596, 1323245, 1347304, 1512280, 1684130, 1852543, 2117192, 2646490, 3368260, 3705086, 5292980, 6736520, 7410172, 9262715, 10585960, 14820344, 18525430, 37050860, 74101720]

約数ペア:

[(1, 74101720), (2, 37050860), (4, 18525430), (5, 14820344), (7, 10585960), (8, 9262715), (10, 7410172), (11, 6736520), (14, 5292980), (20, 3705086), (22, 3368260), (28, 2646490), (35, 2117192), (40, 1852543), (44, 1684130), (49, 1512280), (55, 1347304), (56, 1323245), (70, 1058596), (77, 962360), (88, 842065), (98, 756140), (110, 673652), (140, 529298), (154, 481180), (196, 378070), (220, 336826), (245, 302456), (280, 264649), (308, 240590), (343, 216040), (385, 192472), (392, 189035), (440, 168413), (490, 151228), (491, 150920), (539, 137480), (616, 120295), (686, 108020), (770, 96236), (980, 75614), (982, 75460), (1078, 68740), (1372, 54010), (1540, 48118), (1715, 43208), (1960, 37807), (1964, 37730), (2156, 34370), (2455, 30184), (2695, 27496), (2744, 27005), (3080, 24059), (3430, 21604), (3437, 21560), (3773, 19640), (3928, 18865), (4312, 17185), (4910, 15092), (5390, 13748), (5401, 13720), (6860, 10802), (6874, 10780), (7546, 9820)]