394896040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128213}}^1$

素因数の和:128242

約数の個数: 64

約数和(自身を含む): 1107768960

約数和(自身を除く): 712872920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 128213, 256426, 512852, 641065, 897491, 1025704, 1282130, 1410343, 1794982, 2564260, 2820686, 3589964, 4487455, 5128520, 5641372, 7051715, 7179928, 8974910, 9872401, 11282744, 14103430, 17949820, 19744802, 28206860, 35899640, 39489604, 49362005, 56413720, 78979208, 98724010, 197448020, 394896040]

約数ペア:

[(1, 394896040), (2, 197448020), (4, 98724010), (5, 78979208), (7, 56413720), (8, 49362005), (10, 39489604), (11, 35899640), (14, 28206860), (20, 19744802), (22, 17949820), (28, 14103430), (35, 11282744), (40, 9872401), (44, 8974910), (55, 7179928), (56, 7051715), (70, 5641372), (77, 5128520), (88, 4487455), (110, 3589964), (140, 2820686), (154, 2564260), (220, 1794982), (280, 1410343), (308, 1282130), (385, 1025704), (440, 897491), (616, 641065), (770, 512852), (1540, 256426), (3080, 128213)]